./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-divine/barrier_3t.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5e519f3a 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_4289c951-4977-4348-a2b5-80adce026e1b/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-divine/barrier_3t.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/bin/uautomizer-Dbtcem3rbc --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 116240ce9d1e33454ba4eae840c2d7b67606f3cd4ffa1a06798f06dcbc1241fc --- 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-5e519f3 [2022-11-02 20:05:38,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:05:38,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:05:38,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:05:38,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:05:38,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:05:38,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:05:38,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:05:38,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:05:38,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:05:38,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:05:38,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:05:38,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:05:38,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:05:38,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:05:38,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:05:38,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:05:38,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:05:38,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:05:38,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:05:38,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:05:38,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:05:38,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:05:38,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:05:38,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:05:38,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:05:38,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:05:38,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:05:38,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:05:38,103 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:05:38,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:05:38,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:05:38,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:05:38,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:05:38,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:05:38,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:05:38,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:05:38,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:05:38,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:05:38,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:05:38,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:05:38,115 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-02 20:05:38,146 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:05:38,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:05:38,147 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:05:38,148 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:05:38,149 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:05:38,149 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:05:38,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:05:38,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:05:38,151 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:05:38,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:05:38,152 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:05:38,152 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:05:38,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:05:38,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:05:38,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:05:38,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:05:38,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:05:38,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:05:38,155 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-02 20:05:38,156 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:05:38,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:05:38,156 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:05:38,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:05:38,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:05:38,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:05:38,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:05:38,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:05:38,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:05:38,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:05:38,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:05:38,160 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:05:38,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:05:38,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:05:38,161 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_4289c951-4977-4348-a2b5-80adce026e1b/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 116240ce9d1e33454ba4eae840c2d7b67606f3cd4ffa1a06798f06dcbc1241fc [2022-11-02 20:05:38,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:05:38,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:05:38,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:05:38,557 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:05:38,558 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:05:38,560 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/pthread-divine/barrier_3t.i [2022-11-02 20:05:38,649 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/bin/uautomizer-Dbtcem3rbc/data/758d46d6f/da015b91e2004e4b8f6f80bd041354b2/FLAGafb96e564 [2022-11-02 20:05:39,405 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:05:39,405 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/sv-benchmarks/c/pthread-divine/barrier_3t.i [2022-11-02 20:05:39,441 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/bin/uautomizer-Dbtcem3rbc/data/758d46d6f/da015b91e2004e4b8f6f80bd041354b2/FLAGafb96e564 [2022-11-02 20:05:39,647 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/bin/uautomizer-Dbtcem3rbc/data/758d46d6f/da015b91e2004e4b8f6f80bd041354b2 [2022-11-02 20:05:39,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:05:39,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:05:39,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:05:39,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:05:39,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:05:39,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:05:39" (1/1) ... [2022-11-02 20:05:39,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@615b69dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:39, skipping insertion in model container [2022-11-02 20:05:39,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:05:39" (1/1) ... [2022-11-02 20:05:39,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:05:39,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:05:39,971 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-02 20:05:40,245 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/sv-benchmarks/c/pthread-divine/barrier_3t.i[30484,30497] [2022-11-02 20:05:40,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/sv-benchmarks/c/pthread-divine/barrier_3t.i[31858,31871] [2022-11-02 20:05:40,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/sv-benchmarks/c/pthread-divine/barrier_3t.i[31909,31922] [2022-11-02 20:05:40,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/sv-benchmarks/c/pthread-divine/barrier_3t.i[32058,32071] [2022-11-02 20:05:40,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/sv-benchmarks/c/pthread-divine/barrier_3t.i[32135,32148] [2022-11-02 20:05:40,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/sv-benchmarks/c/pthread-divine/barrier_3t.i[32182,32195] [2022-11-02 20:05:40,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/sv-benchmarks/c/pthread-divine/barrier_3t.i[32291,32304] [2022-11-02 20:05:40,308 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/sv-benchmarks/c/pthread-divine/barrier_3t.i[32410,32423] [2022-11-02 20:05:40,312 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/sv-benchmarks/c/pthread-divine/barrier_3t.i[32458,32471] [2022-11-02 20:05:40,314 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/sv-benchmarks/c/pthread-divine/barrier_3t.i[32535,32548] [2022-11-02 20:05:40,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/sv-benchmarks/c/pthread-divine/barrier_3t.i[32661,32674] [2022-11-02 20:05:40,342 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/sv-benchmarks/c/pthread-divine/barrier_3t.i[33244,33257] [2022-11-02 20:05:40,348 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/sv-benchmarks/c/pthread-divine/barrier_3t.i[33321,33334] [2022-11-02 20:05:40,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:05:40,371 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:05:40,397 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-02 20:05:40,429 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/sv-benchmarks/c/pthread-divine/barrier_3t.i[30484,30497] [2022-11-02 20:05:40,439 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/sv-benchmarks/c/pthread-divine/barrier_3t.i[31858,31871] [2022-11-02 20:05:40,455 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/sv-benchmarks/c/pthread-divine/barrier_3t.i[31909,31922] [2022-11-02 20:05:40,457 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/sv-benchmarks/c/pthread-divine/barrier_3t.i[32058,32071] [2022-11-02 20:05:40,458 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/sv-benchmarks/c/pthread-divine/barrier_3t.i[32135,32148] [2022-11-02 20:05:40,459 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/sv-benchmarks/c/pthread-divine/barrier_3t.i[32182,32195] [2022-11-02 20:05:40,461 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/sv-benchmarks/c/pthread-divine/barrier_3t.i[32291,32304] [2022-11-02 20:05:40,463 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/sv-benchmarks/c/pthread-divine/barrier_3t.i[32410,32423] [2022-11-02 20:05:40,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/sv-benchmarks/c/pthread-divine/barrier_3t.i[32458,32471] [2022-11-02 20:05:40,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/sv-benchmarks/c/pthread-divine/barrier_3t.i[32535,32548] [2022-11-02 20:05:40,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/sv-benchmarks/c/pthread-divine/barrier_3t.i[32661,32674] [2022-11-02 20:05:40,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/sv-benchmarks/c/pthread-divine/barrier_3t.i[33244,33257] [2022-11-02 20:05:40,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/sv-benchmarks/c/pthread-divine/barrier_3t.i[33321,33334] [2022-11-02 20:05:40,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:05:40,535 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:05:40,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:40 WrapperNode [2022-11-02 20:05:40,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:05:40,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:05:40,538 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:05:40,538 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:05:40,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:40" (1/1) ... [2022-11-02 20:05:40,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:40" (1/1) ... [2022-11-02 20:05:40,637 INFO L138 Inliner]: procedures = 174, calls = 83, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 588 [2022-11-02 20:05:40,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:05:40,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:05:40,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:05:40,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:05:40,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:40" (1/1) ... [2022-11-02 20:05:40,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:40" (1/1) ... [2022-11-02 20:05:40,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:40" (1/1) ... [2022-11-02 20:05:40,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:40" (1/1) ... [2022-11-02 20:05:40,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:40" (1/1) ... [2022-11-02 20:05:40,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:40" (1/1) ... [2022-11-02 20:05:40,746 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:40" (1/1) ... [2022-11-02 20:05:40,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:40" (1/1) ... [2022-11-02 20:05:40,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:05:40,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:05:40,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:05:40,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:05:40,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:40" (1/1) ... [2022-11-02 20:05:40,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:05:40,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:05:40,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:05:40,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4289c951-4977-4348-a2b5-80adce026e1b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:05:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:05:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:05:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-02 20:05:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure worker_fn [2022-11-02 20:05:40,913 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_fn [2022-11-02 20:05:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:05:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:05:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:05:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:05:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:05:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:05:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:05:40,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:05:40,918 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 20:05:41,187 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:05:41,189 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:05:42,572 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:05:42,600 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:05:42,601 INFO L300 CfgBuilder]: Removed 20 assume(true) statements. [2022-11-02 20:05:42,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:05:42 BoogieIcfgContainer [2022-11-02 20:05:42,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:05:42,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:05:42,611 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:05:42,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:05:42,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:05:39" (1/3) ... [2022-11-02 20:05:42,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@364aac85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:05:42, skipping insertion in model container [2022-11-02 20:05:42,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:40" (2/3) ... [2022-11-02 20:05:42,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@364aac85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:05:42, skipping insertion in model container [2022-11-02 20:05:42,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:05:42" (3/3) ... [2022-11-02 20:05:42,623 INFO L112 eAbstractionObserver]: Analyzing ICFG barrier_3t.i [2022-11-02 20:05:42,635 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:05:42,647 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:05:42,647 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2022-11-02 20:05:42,647 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:05:42,883 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-02 20:05:42,976 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-02 20:05:42,998 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 620 places, 687 transitions, 1382 flow [2022-11-02 20:05:43,009 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 620 places, 687 transitions, 1382 flow [2022-11-02 20:05:43,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 620 places, 687 transitions, 1382 flow [2022-11-02 20:05:43,638 INFO L130 PetriNetUnfolder]: 106/1012 cut-off events. [2022-11-02 20:05:43,639 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-02 20:05:43,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1018 conditions, 1012 events. 106/1012 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3912 event pairs, 0 based on Foata normal form. 0/811 useless extension candidates. Maximal degree in co-relation 606. Up to 4 conditions per place. [2022-11-02 20:05:43,779 INFO L118 LiptonReduction]: Number of co-enabled transitions 182240