./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-queue-add-3-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_867e9ee5-28f6-4750-aa61-aa735eb92da0/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867e9ee5-28f6-4750-aa61-aa735eb92da0/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_867e9ee5-28f6-4750-aa61-aa735eb92da0/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867e9ee5-28f6-4750-aa61-aa735eb92da0/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867e9ee5-28f6-4750-aa61-aa735eb92da0/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_867e9ee5-28f6-4750-aa61-aa735eb92da0/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 c6847e0a77224cc67de11826c53270ee36a6eb5754e5add0bb0a49165dff2879 --- 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 21:48:30,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 21:48:30,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 21:48:30,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 21:48:30,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 21:48:30,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 21:48:30,736 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 21:48:30,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 21:48:30,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 21:48:30,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 21:48:30,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 21:48:30,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 21:48:30,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 21:48:30,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 21:48:30,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 21:48:30,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 21:48:30,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 21:48:30,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 21:48:30,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 21:48:30,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 21:48:30,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 21:48:30,770 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 21:48:30,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 21:48:30,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 21:48:30,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 21:48:30,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 21:48:30,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 21:48:30,785 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 21:48:30,786 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 21:48:30,786 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 21:48:30,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 21:48:30,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 21:48:30,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 21:48:30,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 21:48:30,792 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 21:48:30,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 21:48:30,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 21:48:30,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 21:48:30,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 21:48:30,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 21:48:30,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 21:48:30,797 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867e9ee5-28f6-4750-aa61-aa735eb92da0/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 21:48:30,838 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 21:48:30,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 21:48:30,840 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 21:48:30,840 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 21:48:30,841 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 21:48:30,841 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 21:48:30,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 21:48:30,842 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 21:48:30,842 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 21:48:30,842 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 21:48:30,843 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 21:48:30,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 21:48:30,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 21:48:30,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 21:48:30,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 21:48:30,845 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 21:48:30,845 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 21:48:30,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 21:48:30,845 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 21:48:30,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 21:48:30,846 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 21:48:30,846 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 21:48:30,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 21:48:30,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:48:30,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 21:48:30,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 21:48:30,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 21:48:30,847 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 21:48:30,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 21:48:30,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 21:48:30,848 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_867e9ee5-28f6-4750-aa61-aa735eb92da0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867e9ee5-28f6-4750-aa61-aa735eb92da0/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6847e0a77224cc67de11826c53270ee36a6eb5754e5add0bb0a49165dff2879 [2022-11-21 21:48:31,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 21:48:31,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 21:48:31,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 21:48:31,161 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 21:48:31,161 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 21:48:31,162 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867e9ee5-28f6-4750-aa61-aa735eb92da0/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c [2022-11-21 21:48:34,211 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 21:48:34,385 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 21:48:34,387 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867e9ee5-28f6-4750-aa61-aa735eb92da0/sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c [2022-11-21 21:48:34,394 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867e9ee5-28f6-4750-aa61-aa735eb92da0/bin/ukojak-jW3SillKbg/data/c95f553d6/050459f674314c9cbd908f2901dbd5dc/FLAG9942213b3 [2022-11-21 21:48:34,407 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867e9ee5-28f6-4750-aa61-aa735eb92da0/bin/ukojak-jW3SillKbg/data/c95f553d6/050459f674314c9cbd908f2901dbd5dc [2022-11-21 21:48:34,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 21:48:34,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 21:48:34,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 21:48:34,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 21:48:34,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 21:48:34,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:48:34" (1/1) ... [2022-11-21 21:48:34,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d52b336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:48:34, skipping insertion in model container [2022-11-21 21:48:34,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:48:34" (1/1) ... [2022-11-21 21:48:34,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 21:48:34,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 21:48:34,631 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_867e9ee5-28f6-4750-aa61-aa735eb92da0/sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c[3615,3628] [2022-11-21 21:48:34,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:48:34,646 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 21:48:34,672 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_867e9ee5-28f6-4750-aa61-aa735eb92da0/sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c[3615,3628] [2022-11-21 21:48:34,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:48:34,692 INFO L208 MainTranslator]: Completed translation [2022-11-21 21:48:34,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:48:34 WrapperNode [2022-11-21 21:48:34,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 21:48:34,693 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 21:48:34,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 21:48:34,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 21:48:34,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:48:34" (1/1) ... [2022-11-21 21:48:34,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:48:34" (1/1) ... [2022-11-21 21:48:34,729 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 96 [2022-11-21 21:48:34,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 21:48:34,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 21:48:34,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 21:48:34,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 21:48:34,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:48:34" (1/1) ... [2022-11-21 21:48:34,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:48:34" (1/1) ... [2022-11-21 21:48:34,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:48:34" (1/1) ... [2022-11-21 21:48:34,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:48:34" (1/1) ... [2022-11-21 21:48:34,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:48:34" (1/1) ... [2022-11-21 21:48:34,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:48:34" (1/1) ... [2022-11-21 21:48:34,760 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:48:34" (1/1) ... [2022-11-21 21:48:34,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:48:34" (1/1) ... [2022-11-21 21:48:34,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 21:48:34,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 21:48:34,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 21:48:34,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 21:48:34,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:48:34" (1/1) ... [2022-11-21 21:48:34,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:48:34,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867e9ee5-28f6-4750-aa61-aa735eb92da0/bin/ukojak-jW3SillKbg/z3 [2022-11-21 21:48:34,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867e9ee5-28f6-4750-aa61-aa735eb92da0/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 21:48:34,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867e9ee5-28f6-4750-aa61-aa735eb92da0/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 21:48:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 21:48:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 21:48:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 21:48:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-11-21 21:48:34,861 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-11-21 21:48:34,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 21:48:34,862 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 21:48:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 21:48:34,862 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 21:48:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 21:48:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 21:48:34,867 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 21:48:34,868 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 21:48:34,869 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 21:48:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 21:48:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 21:48:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 21:48:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 21:48:34,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 21:48:34,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 21:48:34,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 21:48:34,872 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 21:48:35,016 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 21:48:35,018 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 21:48:35,507 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 21:48:35,825 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 21:48:35,826 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 21:48:35,827 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L51 is neither atomic block end nor a sink node. [2022-11-21 21:48:35,827 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 21:48:35,832 INFO L158 Benchmark]: Toolchain (without parser) took 1419.94ms. Allocated memory is still 218.1MB. Free memory was 171.7MB in the beginning and 115.7MB in the end (delta: 56.0MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2022-11-21 21:48:35,833 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 146.8MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:48:35,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.85ms. Allocated memory is still 218.1MB. Free memory was 171.7MB in the beginning and 159.1MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 21:48:35,835 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.61ms. Allocated memory is still 218.1MB. Free memory was 159.1MB in the beginning and 157.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 21:48:35,836 INFO L158 Benchmark]: Boogie Preprocessor took 33.85ms. Allocated memory is still 218.1MB. Free memory was 157.7MB in the beginning and 155.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 21:48:35,837 INFO L158 Benchmark]: RCFGBuilder took 1065.27ms. Allocated memory is still 218.1MB. Free memory was 155.6MB in the beginning and 115.7MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-21 21:48:35,841 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 146.8MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.85ms. Allocated memory is still 218.1MB. Free memory was 171.7MB in the beginning and 159.1MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.61ms. Allocated memory is still 218.1MB. Free memory was 159.1MB in the beginning and 157.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.85ms. Allocated memory is still 218.1MB. Free memory was 157.7MB in the beginning and 155.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1065.27ms. Allocated memory is still 218.1MB. Free memory was 155.6MB in the beginning and 115.7MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. 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 21:48:35,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867e9ee5-28f6-4750-aa61-aa735eb92da0/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 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_867e9ee5-28f6-4750-aa61-aa735eb92da0/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867e9ee5-28f6-4750-aa61-aa735eb92da0/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_867e9ee5-28f6-4750-aa61-aa735eb92da0/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867e9ee5-28f6-4750-aa61-aa735eb92da0/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867e9ee5-28f6-4750-aa61-aa735eb92da0/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_867e9ee5-28f6-4750-aa61-aa735eb92da0/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 c6847e0a77224cc67de11826c53270ee36a6eb5754e5add0bb0a49165dff2879 --- 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 21:48:38,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 21:48:38,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 21:48:38,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 21:48:38,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 21:48:38,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 21:48:38,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 21:48:38,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 21:48:38,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 21:48:38,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 21:48:38,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 21:48:38,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 21:48:38,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 21:48:38,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 21:48:38,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 21:48:38,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 21:48:38,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 21:48:38,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 21:48:38,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 21:48:38,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 21:48:38,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 21:48:38,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 21:48:38,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 21:48:38,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 21:48:38,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 21:48:38,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 21:48:38,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 21:48:38,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 21:48:38,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 21:48:38,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 21:48:38,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 21:48:38,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 21:48:38,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 21:48:38,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 21:48:38,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 21:48:38,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 21:48:38,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 21:48:38,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 21:48:38,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 21:48:38,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 21:48:38,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 21:48:38,292 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867e9ee5-28f6-4750-aa61-aa735eb92da0/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-21 21:48:38,317 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 21:48:38,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 21:48:38,319 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 21:48:38,319 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 21:48:38,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 21:48:38,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 21:48:38,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 21:48:38,321 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 21:48:38,321 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 21:48:38,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 21:48:38,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 21:48:38,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 21:48:38,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 21:48:38,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 21:48:38,323 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 21:48:38,323 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 21:48:38,323 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 21:48:38,324 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 21:48:38,324 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 21:48:38,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 21:48:38,324 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 21:48:38,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 21:48:38,324 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 21:48:38,325 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 21:48:38,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 21:48:38,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:48:38,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 21:48:38,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 21:48:38,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 21:48:38,326 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 21:48:38,326 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 21:48:38,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 21:48:38,326 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 21:48:38,327 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 21:48:38,327 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_867e9ee5-28f6-4750-aa61-aa735eb92da0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867e9ee5-28f6-4750-aa61-aa735eb92da0/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6847e0a77224cc67de11826c53270ee36a6eb5754e5add0bb0a49165dff2879 [2022-11-21 21:48:38,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 21:48:38,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 21:48:38,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 21:48:38,754 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 21:48:38,755 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 21:48:38,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867e9ee5-28f6-4750-aa61-aa735eb92da0/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c [2022-11-21 21:48:41,734 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 21:48:41,960 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 21:48:41,961 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867e9ee5-28f6-4750-aa61-aa735eb92da0/sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c [2022-11-21 21:48:41,970 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867e9ee5-28f6-4750-aa61-aa735eb92da0/bin/ukojak-jW3SillKbg/data/22b717bdd/d2f37de09b8b4ea2baad6d8c93aad798/FLAGe8397fdce [2022-11-21 21:48:41,982 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867e9ee5-28f6-4750-aa61-aa735eb92da0/bin/ukojak-jW3SillKbg/data/22b717bdd/d2f37de09b8b4ea2baad6d8c93aad798 [2022-11-21 21:48:41,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 21:48:41,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 21:48:41,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 21:48:41,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 21:48:41,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 21:48:41,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:48:41" (1/1) ... [2022-11-21 21:48:41,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@be54c65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:48:41, skipping insertion in model container [2022-11-21 21:48:41,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:48:41" (1/1) ... [2022-11-21 21:48:42,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 21:48:42,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 21:48:42,200 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_867e9ee5-28f6-4750-aa61-aa735eb92da0/sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c[3615,3628] [2022-11-21 21:48:42,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:48:42,220 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-21 21:48:42,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 21:48:42,245 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_867e9ee5-28f6-4750-aa61-aa735eb92da0/sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c[3615,3628] [2022-11-21 21:48:42,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:48:42,264 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 21:48:42,311 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_867e9ee5-28f6-4750-aa61-aa735eb92da0/sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c[3615,3628] [2022-11-21 21:48:42,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:48:42,349 INFO L208 MainTranslator]: Completed translation [2022-11-21 21:48:42,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:48:42 WrapperNode [2022-11-21 21:48:42,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 21:48:42,351 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 21:48:42,351 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 21:48:42,352 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 21:48:42,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:48:42" (1/1) ... [2022-11-21 21:48:42,385 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:48:42" (1/1) ... [2022-11-21 21:48:42,417 INFO L138 Inliner]: procedures = 28, calls = 55, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 91 [2022-11-21 21:48:42,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 21:48:42,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 21:48:42,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 21:48:42,420 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 21:48:42,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:48:42" (1/1) ... [2022-11-21 21:48:42,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:48:42" (1/1) ... [2022-11-21 21:48:42,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:48:42" (1/1) ... [2022-11-21 21:48:42,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:48:42" (1/1) ... [2022-11-21 21:48:42,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:48:42" (1/1) ... [2022-11-21 21:48:42,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:48:42" (1/1) ... [2022-11-21 21:48:42,463 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:48:42" (1/1) ... [2022-11-21 21:48:42,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:48:42" (1/1) ... [2022-11-21 21:48:42,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 21:48:42,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 21:48:42,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 21:48:42,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 21:48:42,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:48:42" (1/1) ... [2022-11-21 21:48:42,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:48:42,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867e9ee5-28f6-4750-aa61-aa735eb92da0/bin/ukojak-jW3SillKbg/z3 [2022-11-21 21:48:42,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867e9ee5-28f6-4750-aa61-aa735eb92da0/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 21:48:42,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867e9ee5-28f6-4750-aa61-aa735eb92da0/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 21:48:42,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 21:48:42,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 21:48:42,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 21:48:42,573 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-11-21 21:48:42,573 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-11-21 21:48:42,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 21:48:42,573 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 21:48:42,574 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 21:48:42,574 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 21:48:42,574 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 21:48:42,574 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 21:48:42,574 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 21:48:42,575 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 21:48:42,575 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 21:48:42,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 21:48:42,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 21:48:42,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 21:48:42,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 21:48:42,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 21:48:42,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 21:48:42,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 21:48:42,578 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 21:48:42,762 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 21:48:42,764 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 21:48:43,298 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 21:48:43,654 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 21:48:43,654 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 21:48:43,655 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L51 is neither atomic block end nor a sink node. [2022-11-21 21:48:43,656 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 21:48:43,662 INFO L158 Benchmark]: Toolchain (without parser) took 1674.67ms. Allocated memory was 88.1MB in the beginning and 119.5MB in the end (delta: 31.5MB). Free memory was 67.1MB in the beginning and 78.5MB in the end (delta: -11.3MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2022-11-21 21:48:43,662 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 88.1MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:48:43,663 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.84ms. Allocated memory is still 88.1MB. Free memory was 66.9MB in the beginning and 52.2MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 21:48:43,664 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.15ms. Allocated memory is still 88.1MB. Free memory was 51.9MB in the beginning and 50.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:48:43,665 INFO L158 Benchmark]: Boogie Preprocessor took 64.67ms. Allocated memory is still 88.1MB. Free memory was 50.1MB in the beginning and 48.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 21:48:43,666 INFO L158 Benchmark]: RCFGBuilder took 1176.14ms. Allocated memory was 88.1MB in the beginning and 119.5MB in the end (delta: 31.5MB). Free memory was 48.1MB in the beginning and 78.5MB in the end (delta: -30.3MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2022-11-21 21:48:43,674 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 88.1MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 362.84ms. Allocated memory is still 88.1MB. Free memory was 66.9MB in the beginning and 52.2MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.15ms. Allocated memory is still 88.1MB. Free memory was 51.9MB in the beginning and 50.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.67ms. Allocated memory is still 88.1MB. Free memory was 50.1MB in the beginning and 48.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1176.14ms. Allocated memory was 88.1MB in the beginning and 119.5MB in the end (delta: 31.5MB). Free memory was 48.1MB in the beginning and 78.5MB in the end (delta: -30.3MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 21:48:43,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867e9ee5-28f6-4750-aa61-aa735eb92da0/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 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?