./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4 --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 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 21:02:54,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:02:54,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:02:54,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:02:54,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:02:54,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:02:54,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:02:54,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:02:54,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:02:54,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:02:54,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:02:54,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:02:54,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:02:54,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:02:54,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:02:54,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:02:54,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:02:54,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:02:54,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:02:54,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:02:54,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:02:54,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:02:54,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:02:54,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:02:54,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:02:54,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:02:54,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:02:54,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:02:54,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:02:54,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:02:54,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:02:54,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:02:54,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:02:54,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:02:54,807 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:02:54,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:02:54,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:02:54,808 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:02:54,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:02:54,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:02:54,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:02:54,810 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 21:02:54,829 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:02:54,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:02:54,830 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:02:54,830 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:02:54,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:02:54,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:02:54,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:02:54,831 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 21:02:54,831 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 21:02:54,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:02:54,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 21:02:54,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:02:54,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:02:54,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:02:54,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:02:54,831 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 21:02:54,831 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 21:02:54,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:02:54,832 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:02:54,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:02:54,832 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:02:54,832 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:02:54,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:02:54,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:02:54,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:02:54,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:02:54,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:02:54,832 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:02:54,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:02:54,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:02:54,833 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_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 [2022-12-14 21:02:55,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:02:55,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:02:55,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:02:55,023 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:02:55,024 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:02:55,025 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2022-12-14 21:02:57,630 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:02:57,799 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:02:57,799 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2022-12-14 21:02:57,809 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4/data/7823fd0af/87025f5923d342d9a7ea26bbeaa3131a/FLAG82e8e452e [2022-12-14 21:02:57,821 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4/data/7823fd0af/87025f5923d342d9a7ea26bbeaa3131a [2022-12-14 21:02:57,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:02:57,824 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:02:57,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:02:57,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:02:57,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:02:57,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:02:57" (1/1) ... [2022-12-14 21:02:57,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e092eea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:02:57, skipping insertion in model container [2022-12-14 21:02:57,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:02:57" (1/1) ... [2022-12-14 21:02:57,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:02:57,858 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:02:57,975 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 21:02:58,063 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:02:58,064 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:02:58,065 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_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2022-12-14 21:02:58,065 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:02:58,066 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:02:58,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:02:58,076 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:02:58,087 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 21:02:58,101 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:02:58,101 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:02:58,102 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_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2022-12-14 21:02:58,102 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:02:58,102 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:02:58,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:02:58,123 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:02:58,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:02:58 WrapperNode [2022-12-14 21:02:58,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:02:58,125 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:02:58,125 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:02:58,125 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:02:58,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:02:58" (1/1) ... [2022-12-14 21:02:58,139 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:02:58" (1/1) ... [2022-12-14 21:02:58,153 INFO L138 Inliner]: procedures = 173, calls = 24, calls flagged for inlining = 5, calls inlined = 7, statements flattened = 108 [2022-12-14 21:02:58,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:02:58,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:02:58,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:02:58,154 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:02:58,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:02:58" (1/1) ... [2022-12-14 21:02:58,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:02:58" (1/1) ... [2022-12-14 21:02:58,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:02:58" (1/1) ... [2022-12-14 21:02:58,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:02:58" (1/1) ... [2022-12-14 21:02:58,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:02:58" (1/1) ... [2022-12-14 21:02:58,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:02:58" (1/1) ... [2022-12-14 21:02:58,170 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:02:58" (1/1) ... [2022-12-14 21:02:58,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:02:58" (1/1) ... [2022-12-14 21:02:58,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:02:58,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:02:58,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:02:58,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:02:58,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:02:58" (1/1) ... [2022-12-14 21:02:58,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:02:58,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:02:58,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:02:58,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:02:58,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 21:02:58,233 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-14 21:02:58,233 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-14 21:02:58,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 21:02:58,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 21:02:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 21:02:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 21:02:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 21:02:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 21:02:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 21:02:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:02:58,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:02:58,236 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 21:02:58,343 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:02:58,345 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:02:58,513 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:02:58,589 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:02:58,589 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 21:02:58,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:02:58 BoogieIcfgContainer [2022-12-14 21:02:58,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:02:58,591 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:02:58,591 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:02:58,598 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:02:58,599 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:02:58" (1/1) ... [2022-12-14 21:02:58,599 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 21:02:58,602 INFO L158 Benchmark]: Toolchain (without parser) took 778.03ms. Allocated memory is still 134.2MB. Free memory was 98.9MB in the beginning and 53.6MB in the end (delta: 45.3MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-12-14 21:02:58,603 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 134.2MB. Free memory was 105.9MB in the beginning and 105.7MB in the end (delta: 142.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:02:58,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.35ms. Allocated memory is still 134.2MB. Free memory was 98.5MB in the beginning and 78.8MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 21:02:58,603 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.81ms. Allocated memory is still 134.2MB. Free memory was 78.8MB in the beginning and 76.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:02:58,604 INFO L158 Benchmark]: Boogie Preprocessor took 18.84ms. Allocated memory is still 134.2MB. Free memory was 76.6MB in the beginning and 75.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:02:58,604 INFO L158 Benchmark]: RCFGBuilder took 417.77ms. Allocated memory is still 134.2MB. Free memory was 75.0MB in the beginning and 54.9MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 21:02:58,605 INFO L158 Benchmark]: CodeCheck took 9.93ms. Allocated memory is still 134.2MB. Free memory was 54.4MB in the beginning and 53.6MB in the end (delta: 845.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:02:58,607 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 134.2MB. Free memory was 105.9MB in the beginning and 105.7MB in the end (delta: 142.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.35ms. Allocated memory is still 134.2MB. Free memory was 98.5MB in the beginning and 78.8MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.81ms. Allocated memory is still 134.2MB. Free memory was 78.8MB in the beginning and 76.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.84ms. Allocated memory is still 134.2MB. Free memory was 76.6MB in the beginning and 75.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 417.77ms. Allocated memory is still 134.2MB. Free memory was 75.0MB in the beginning and 54.9MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 9.93ms. Allocated memory is still 134.2MB. Free memory was 54.4MB in the beginning and 53.6MB in the end (delta: 845.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 21:02:58,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4 --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 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 21:03:00,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:03:00,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:03:00,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:03:00,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:03:00,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:03:00,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:03:00,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:03:00,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:03:00,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:03:00,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:03:00,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:03:00,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:03:00,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:03:00,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:03:00,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:03:00,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:03:00,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:03:00,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:03:00,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:03:00,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:03:00,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:03:00,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:03:00,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:03:00,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:03:00,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:03:00,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:03:00,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:03:00,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:03:00,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:03:00,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:03:00,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:03:00,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:03:00,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:03:00,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:03:00,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:03:00,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:03:00,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:03:00,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:03:00,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:03:00,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:03:00,455 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-12-14 21:03:00,476 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:03:00,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:03:00,477 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:03:00,477 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:03:00,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:03:00,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:03:00,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:03:00,479 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 21:03:00,479 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 21:03:00,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 21:03:00,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:03:00,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:03:00,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:03:00,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:03:00,480 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 21:03:00,480 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 21:03:00,481 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 21:03:00,481 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 21:03:00,481 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 21:03:00,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:03:00,481 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:03:00,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:03:00,482 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:03:00,482 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:03:00,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:03:00,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:03:00,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:03:00,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:03:00,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:03:00,483 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 21:03:00,483 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 21:03:00,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:03:00,488 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 21:03:00,488 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 21:03:00,488 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_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 [2022-12-14 21:03:00,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:03:00,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:03:00,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:03:00,732 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:03:00,732 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:03:00,733 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2022-12-14 21:03:03,317 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:03:03,519 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:03:03,520 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2022-12-14 21:03:03,529 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4/data/50cbec8f2/ffa948c029f04b188ae946f0a9362691/FLAG3ac7869e4 [2022-12-14 21:03:03,540 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4/data/50cbec8f2/ffa948c029f04b188ae946f0a9362691 [2022-12-14 21:03:03,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:03:03,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:03:03,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:03:03,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:03:03,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:03:03,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:03:03" (1/1) ... [2022-12-14 21:03:03,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a246d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:03:03, skipping insertion in model container [2022-12-14 21:03:03,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:03:03" (1/1) ... [2022-12-14 21:03:03,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:03:03,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:03:03,690 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 21:03:03,779 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:03:03,780 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:03:03,781 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_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2022-12-14 21:03:03,781 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:03:03,783 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:03:03,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:03:03,795 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:03:03,806 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 21:03:03,830 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:03:03,831 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:03:03,831 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_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2022-12-14 21:03:03,832 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 21:03:03,832 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 21:03:03,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:03:03,862 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:03:03,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:03:03 WrapperNode [2022-12-14 21:03:03,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:03:03,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:03:03,863 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:03:03,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:03:03,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:03:03" (1/1) ... [2022-12-14 21:03:03,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:03:03" (1/1) ... [2022-12-14 21:03:03,894 INFO L138 Inliner]: procedures = 176, calls = 24, calls flagged for inlining = 5, calls inlined = 7, statements flattened = 108 [2022-12-14 21:03:03,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:03:03,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:03:03,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:03:03,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:03:03,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:03:03" (1/1) ... [2022-12-14 21:03:03,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:03:03" (1/1) ... [2022-12-14 21:03:03,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:03:03" (1/1) ... [2022-12-14 21:03:03,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:03:03" (1/1) ... [2022-12-14 21:03:03,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:03:03" (1/1) ... [2022-12-14 21:03:03,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:03:03" (1/1) ... [2022-12-14 21:03:03,912 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:03:03" (1/1) ... [2022-12-14 21:03:03,913 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:03:03" (1/1) ... [2022-12-14 21:03:03,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:03:03,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:03:03,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:03:03,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:03:03,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:03:03" (1/1) ... [2022-12-14 21:03:03,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:03:03,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:03:03,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:03:03,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:03:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 21:03:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-14 21:03:03,975 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-14 21:03:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 21:03:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 21:03:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 21:03:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 21:03:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 21:03:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 21:03:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 21:03:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:03:03,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:03:03,977 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 21:03:04,087 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:03:04,088 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:03:04,260 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:03:04,319 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:03:04,319 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 21:03:04,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:03:04 BoogieIcfgContainer [2022-12-14 21:03:04,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:03:04,322 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:03:04,322 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:03:04,329 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:03:04,329 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:03:04" (1/1) ... [2022-12-14 21:03:04,329 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 21:03:04,332 INFO L158 Benchmark]: Toolchain (without parser) took 788.93ms. Allocated memory is still 69.2MB. Free memory was 46.4MB in the beginning and 31.0MB in the end (delta: 15.4MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2022-12-14 21:03:04,333 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 54.5MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:03:04,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.22ms. Allocated memory is still 69.2MB. Free memory was 46.2MB in the beginning and 42.0MB in the end (delta: 4.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 21:03:04,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.94ms. Allocated memory is still 69.2MB. Free memory was 42.0MB in the beginning and 39.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:03:04,334 INFO L158 Benchmark]: Boogie Preprocessor took 20.95ms. Allocated memory is still 69.2MB. Free memory was 39.6MB in the beginning and 37.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:03:04,334 INFO L158 Benchmark]: RCFGBuilder took 405.05ms. Allocated memory is still 69.2MB. Free memory was 37.6MB in the beginning and 32.0MB in the end (delta: 5.6MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2022-12-14 21:03:04,335 INFO L158 Benchmark]: CodeCheck took 9.54ms. Allocated memory is still 69.2MB. Free memory was 32.0MB in the beginning and 31.0MB in the end (delta: 972.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:03:04,337 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 54.5MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.22ms. Allocated memory is still 69.2MB. Free memory was 46.2MB in the beginning and 42.0MB in the end (delta: 4.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.94ms. Allocated memory is still 69.2MB. Free memory was 42.0MB in the beginning and 39.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.95ms. Allocated memory is still 69.2MB. Free memory was 39.6MB in the beginning and 37.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 405.05ms. Allocated memory is still 69.2MB. Free memory was 37.6MB in the beginning and 32.0MB in the end (delta: 5.6MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * CodeCheck took 9.54ms. Allocated memory is still 69.2MB. Free memory was 32.0MB in the beginning and 31.0MB in the end (delta: 972.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 21:03:04,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df809afe-b1e4-4b96-9e3b-be2ff87c3f77/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported