./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 b5237d83 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_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg/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_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg --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-b5237d8 [2022-11-21 23:26:52,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:26:52,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:26:52,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:26:52,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:26:52,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:26:52,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:26:52,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:26:52,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:26:52,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:26:52,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:26:52,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:26:52,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:26:52,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:26:52,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:26:52,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:26:52,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:26:52,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:26:52,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:26:52,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:26:52,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:26:52,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:26:52,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:26:52,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:26:52,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:26:52,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:26:52,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:26:52,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:26:52,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:26:52,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:26:52,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:26:52,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:26:52,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:26:52,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:26:52,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:26:52,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:26:52,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:26:52,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:26:52,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:26:52,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:26:52,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:26:52,888 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 23:26:52,931 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:26:52,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:26:52,933 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:26:52,933 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:26:52,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:26:52,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:26:52,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:26:52,935 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:26:52,935 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:26:52,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:26:52,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:26:52,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:26:52,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:26:52,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:26:52,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:26:52,937 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:26:52,937 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:26:52,937 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:26:52,938 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:26:52,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:26:52,938 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:26:52,938 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:26:52,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:26:52,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:26:52,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:26:52,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:26:52,939 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:26:52,939 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:26:52,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:26:52,940 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:26:52,940 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_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c80601716e9c0111d78d12f0a88108c91b0aa7215f8e775685e33490f22c8502 [2022-11-21 23:26:53,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:26:53,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:26:53,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:26:53,307 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:26:53,308 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:26:53,309 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2022-11-21 23:26:56,453 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:26:56,722 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:26:56,722 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce7c593-df8c-4cab-b26e-fd5067e314dd/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2022-11-21 23:26:56,730 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg/data/791f51c5c/626bd609fce1412c945b2b6fda518eff/FLAGc0ced9bb2 [2022-11-21 23:26:56,745 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg/data/791f51c5c/626bd609fce1412c945b2b6fda518eff [2022-11-21 23:26:56,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:26:56,749 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:26:56,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:26:56,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:26:56,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:26:56,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:26:56" (1/1) ... [2022-11-21 23:26:56,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@470d67ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:26:56, skipping insertion in model container [2022-11-21 23:26:56,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:26:56" (1/1) ... [2022-11-21 23:26:56,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:26:56,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:26:57,062 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_dce7c593-df8c-4cab-b26e-fd5067e314dd/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-11-21 23:26:57,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:26:57,083 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:26:57,105 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_dce7c593-df8c-4cab-b26e-fd5067e314dd/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-11-21 23:26:57,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:26:57,124 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:26:57,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:26:57 WrapperNode [2022-11-21 23:26:57,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:26:57,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:26:57,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:26:57,126 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:26:57,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:26:57" (1/1) ... [2022-11-21 23:26:57,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:26:57" (1/1) ... [2022-11-21 23:26:57,165 INFO L138 Inliner]: procedures = 25, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 87 [2022-11-21 23:26:57,168 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:26:57,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:26:57,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:26:57,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:26:57,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:26:57" (1/1) ... [2022-11-21 23:26:57,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:26:57" (1/1) ... [2022-11-21 23:26:57,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:26:57" (1/1) ... [2022-11-21 23:26:57,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:26:57" (1/1) ... [2022-11-21 23:26:57,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:26:57" (1/1) ... [2022-11-21 23:26:57,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:26:57" (1/1) ... [2022-11-21 23:26:57,194 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:26:57" (1/1) ... [2022-11-21 23:26:57,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:26:57" (1/1) ... [2022-11-21 23:26:57,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:26:57,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:26:57,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:26:57,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:26:57,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:26:57" (1/1) ... [2022-11-21 23:26:57,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:26:57,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:26:57,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:26:57,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:26:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:26:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:26:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:26:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:26:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 23:26:57,273 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 23:26:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 23:26:57,273 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 23:26:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 23:26:57,273 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 23:26:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:26:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 23:26:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 23:26:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 23:26:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:26:57,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:26:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:26:57,276 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 23:26:57,387 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:26:57,389 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:26:57,820 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:26:58,135 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:26:58,135 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 23:26:58,136 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L51 is neither atomic block end nor a sink node. [2022-11-21 23:26:58,137 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) [2022-11-21 23:26:58,143 INFO L158 Benchmark]: Toolchain (without parser) took 1392.60ms. Allocated memory is still 180.4MB. Free memory was 149.9MB in the beginning and 106.7MB in the end (delta: 43.1MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2022-11-21 23:26:58,144 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 130.0MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:26:58,145 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.63ms. Allocated memory is still 180.4MB. Free memory was 149.9MB in the beginning and 143.4MB in the end (delta: 6.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 23:26:58,146 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.91ms. Allocated memory is still 180.4MB. Free memory was 143.4MB in the beginning and 142.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:26:58,147 INFO L158 Benchmark]: Boogie Preprocessor took 29.49ms. Allocated memory is still 180.4MB. Free memory was 142.4MB in the beginning and 140.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:26:58,148 INFO L158 Benchmark]: RCFGBuilder took 942.24ms. Allocated memory is still 180.4MB. Free memory was 140.3MB in the beginning and 106.7MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-21 23:26:58,152 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 130.0MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.63ms. Allocated memory is still 180.4MB. Free memory was 149.9MB in the beginning and 143.4MB in the end (delta: 6.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.91ms. Allocated memory is still 180.4MB. Free memory was 143.4MB in the beginning and 142.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.49ms. Allocated memory is still 180.4MB. Free memory was 142.4MB in the beginning and 140.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 942.24ms. Allocated memory is still 180.4MB. Free memory was 140.3MB in the beginning and 106.7MB 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. [2022-11-21 23:26:58,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg/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_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg --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-b5237d8 [2022-11-21 23:27:00,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:27:00,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:27:00,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:27:00,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:27:00,742 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:27:00,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:27:00,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:27:00,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:27:00,756 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:27:00,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:27:00,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:27:00,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:27:00,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:27:00,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:27:00,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:27:00,775 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:27:00,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:27:00,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:27:00,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:27:00,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:27:00,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:27:00,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:27:00,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:27:00,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:27:00,809 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:27:00,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:27:00,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:27:00,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:27:00,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:27:00,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:27:00,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:27:00,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:27:00,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:27:00,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:27:00,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:27:00,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:27:00,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:27:00,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:27:00,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:27:00,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:27:00,821 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-21 23:27:00,841 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:27:00,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:27:00,843 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:27:00,843 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:27:00,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:27:00,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:27:00,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:27:00,845 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:27:00,845 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:27:00,845 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:27:00,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:27:00,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:27:00,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:27:00,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:27:00,847 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 23:27:00,847 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 23:27:00,848 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:27:00,848 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 23:27:00,848 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:27:00,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:27:00,849 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:27:00,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:27:00,850 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:27:00,850 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:27:00,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:27:00,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:27:00,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:27:00,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:27:00,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:27:00,852 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 23:27:00,852 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 23:27:00,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:27:00,853 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 23:27:00,853 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 23:27:00,853 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_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c80601716e9c0111d78d12f0a88108c91b0aa7215f8e775685e33490f22c8502 [2022-11-21 23:27:01,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:27:01,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:27:01,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:27:01,269 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:27:01,270 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:27:01,271 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2022-11-21 23:27:04,314 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:27:04,559 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:27:04,559 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce7c593-df8c-4cab-b26e-fd5067e314dd/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2022-11-21 23:27:04,570 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg/data/519f4047d/f56e22ba87114f17a8a0e170fd14ec24/FLAG3278bfc5e [2022-11-21 23:27:04,594 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg/data/519f4047d/f56e22ba87114f17a8a0e170fd14ec24 [2022-11-21 23:27:04,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:27:04,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:27:04,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:27:04,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:27:04,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:27:04,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:27:04" (1/1) ... [2022-11-21 23:27:04,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4db0ad69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:04, skipping insertion in model container [2022-11-21 23:27:04,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:27:04" (1/1) ... [2022-11-21 23:27:04,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:27:04,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:27:04,851 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_dce7c593-df8c-4cab-b26e-fd5067e314dd/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-11-21 23:27:04,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:27:04,872 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-21 23:27:04,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:27:04,891 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_dce7c593-df8c-4cab-b26e-fd5067e314dd/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-11-21 23:27:04,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:27:04,899 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:27:04,922 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_dce7c593-df8c-4cab-b26e-fd5067e314dd/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-11-21 23:27:04,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:27:04,956 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:27:04,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:04 WrapperNode [2022-11-21 23:27:04,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:27:04,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:27:04,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:27:04,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:27:04,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:04" (1/1) ... [2022-11-21 23:27:04,978 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:04" (1/1) ... [2022-11-21 23:27:05,022 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2022-11-21 23:27:05,022 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:27:05,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:27:05,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:27:05,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:27:05,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:04" (1/1) ... [2022-11-21 23:27:05,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:04" (1/1) ... [2022-11-21 23:27:05,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:04" (1/1) ... [2022-11-21 23:27:05,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:04" (1/1) ... [2022-11-21 23:27:05,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:04" (1/1) ... [2022-11-21 23:27:05,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:04" (1/1) ... [2022-11-21 23:27:05,052 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:04" (1/1) ... [2022-11-21 23:27:05,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:04" (1/1) ... [2022-11-21 23:27:05,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:27:05,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:27:05,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:27:05,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:27:05,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:04" (1/1) ... [2022-11-21 23:27:05,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:27:05,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:27:05,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:27:05,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:27:05,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:27:05,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 23:27:05,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:27:05,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 23:27:05,155 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 23:27:05,155 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 23:27:05,155 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 23:27:05,155 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 23:27:05,155 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 23:27:05,155 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 23:27:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 23:27:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 23:27:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 23:27:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:27:05,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:27:05,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:27:05,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 23:27:05,158 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 23:27:05,299 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:27:05,301 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:27:05,770 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:27:06,184 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:27:06,184 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 23:27:06,185 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L51 is neither atomic block end nor a sink node. [2022-11-21 23:27:06,186 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) [2022-11-21 23:27:06,192 INFO L158 Benchmark]: Toolchain (without parser) took 1592.32ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 44.9MB in the beginning and 69.5MB in the end (delta: -24.7MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2022-11-21 23:27:06,193 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 71.3MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:27:06,193 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.17ms. Allocated memory is still 71.3MB. Free memory was 44.7MB in the beginning and 30.9MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 23:27:06,194 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.93ms. Allocated memory is still 71.3MB. Free memory was 30.7MB in the beginning and 51.2MB in the end (delta: -20.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:27:06,195 INFO L158 Benchmark]: Boogie Preprocessor took 33.89ms. Allocated memory is still 71.3MB. Free memory was 51.2MB in the beginning and 49.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:27:06,196 INFO L158 Benchmark]: RCFGBuilder took 1133.06ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 49.4MB in the beginning and 69.5MB in the end (delta: -20.1MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2022-11-21 23:27:06,205 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 71.3MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.17ms. Allocated memory is still 71.3MB. Free memory was 44.7MB in the beginning and 30.9MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.93ms. Allocated memory is still 71.3MB. Free memory was 30.7MB in the beginning and 51.2MB in the end (delta: -20.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.89ms. Allocated memory is still 71.3MB. Free memory was 51.2MB in the beginning and 49.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1133.06ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 49.4MB in the beginning and 69.5MB in the end (delta: -20.1MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 23:27:06,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce7c593-df8c-4cab-b26e-fd5067e314dd/bin/ukojak-jW3SillKbg/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?