./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f23168-5385-4614-9d20-899941cfdb04/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f23168-5385-4614-9d20-899941cfdb04/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f23168-5385-4614-9d20-899941cfdb04/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f23168-5385-4614-9d20-899941cfdb04/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f23168-5385-4614-9d20-899941cfdb04/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f23168-5385-4614-9d20-899941cfdb04/bin/utaipan-ByfvJB40ur --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5eef73b6b2655059556d731e3a5babc181132142f2417a2cf863165dd8efda84 --- 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-38b53e6 [2022-11-25 23:36:02,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:36:02,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:36:02,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:36:02,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:36:02,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:36:02,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:36:02,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:36:02,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:36:02,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:36:02,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:36:02,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:36:02,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:36:02,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:36:02,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:36:02,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:36:02,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:36:02,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:36:02,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:36:02,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:36:02,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:36:02,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:36:02,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:36:02,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:36:02,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:36:02,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:36:02,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:36:02,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:36:02,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:36:02,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:36:02,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:36:02,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:36:02,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:36:02,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:36:02,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:36:02,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:36:02,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:36:02,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:36:02,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:36:02,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:36:02,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:36:02,132 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f23168-5385-4614-9d20-899941cfdb04/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-25 23:36:02,181 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:36:02,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:36:02,185 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:36:02,185 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:36:02,186 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:36:02,186 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:36:02,187 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:36:02,187 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:36:02,187 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:36:02,187 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:36:02,189 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:36:02,189 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:36:02,189 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:36:02,189 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:36:02,190 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:36:02,190 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:36:02,190 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:36:02,190 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:36:02,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:36:02,192 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:36:02,192 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:36:02,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:36:02,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:36:02,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:36:02,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:36:02,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:36:02,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:36:02,195 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:36:02,195 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:36:02,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:36:02,195 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:36:02,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:36:02,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:36:02,197 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:36:02,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:36:02,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:36:02,198 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:36:02,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:36:02,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:36:02,199 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:36:02,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:36:02,199 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:36:02,200 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:36:02,200 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_f7f23168-5385-4614-9d20-899941cfdb04/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f23168-5385-4614-9d20-899941cfdb04/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eef73b6b2655059556d731e3a5babc181132142f2417a2cf863165dd8efda84 [2022-11-25 23:36:02,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:36:02,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:36:02,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:36:02,553 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:36:02,553 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:36:02,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f23168-5385-4614-9d20-899941cfdb04/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2022-11-25 23:36:05,581 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:36:05,866 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:36:05,866 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f23168-5385-4614-9d20-899941cfdb04/sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2022-11-25 23:36:05,889 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f23168-5385-4614-9d20-899941cfdb04/bin/utaipan-ByfvJB40ur/data/0bfd8e784/9669c7715b63472fb3deab4d99d3e393/FLAGe1cbf35c4 [2022-11-25 23:36:05,910 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f23168-5385-4614-9d20-899941cfdb04/bin/utaipan-ByfvJB40ur/data/0bfd8e784/9669c7715b63472fb3deab4d99d3e393 [2022-11-25 23:36:05,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:36:05,917 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:36:05,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:36:05,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:36:05,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:36:05,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:36:05" (1/1) ... [2022-11-25 23:36:05,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c816d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:05, skipping insertion in model container [2022-11-25 23:36:05,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:36:05" (1/1) ... [2022-11-25 23:36:05,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:36:06,002 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:36:06,267 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:36:06,530 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:36:06,530 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:36:06,531 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:36:06,532 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:36:06,532 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:36:06,533 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:36:06,538 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_f7f23168-5385-4614-9d20-899941cfdb04/sv-benchmarks/c/pthread-ext/40_barrier_vf.i[31163,31176] [2022-11-25 23:36:06,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:36:06,562 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:36:06,594 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:36:06,635 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:36:06,640 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:36:06,644 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:36:06,644 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:36:06,645 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:36:06,645 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:36:06,647 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_f7f23168-5385-4614-9d20-899941cfdb04/sv-benchmarks/c/pthread-ext/40_barrier_vf.i[31163,31176] [2022-11-25 23:36:06,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:36:06,695 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:36:06,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:06 WrapperNode [2022-11-25 23:36:06,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:36:06,700 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:36:06,700 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:36:06,700 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:36:06,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:06" (1/1) ... [2022-11-25 23:36:06,749 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:06" (1/1) ... [2022-11-25 23:36:06,781 INFO L138 Inliner]: procedures = 174, calls = 25, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 78 [2022-11-25 23:36:06,781 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:36:06,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:36:06,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:36:06,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:36:06,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:06" (1/1) ... [2022-11-25 23:36:06,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:06" (1/1) ... [2022-11-25 23:36:06,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:06" (1/1) ... [2022-11-25 23:36:06,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:06" (1/1) ... [2022-11-25 23:36:06,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:06" (1/1) ... [2022-11-25 23:36:06,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:06" (1/1) ... [2022-11-25 23:36:06,829 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:06" (1/1) ... [2022-11-25 23:36:06,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:06" (1/1) ... [2022-11-25 23:36:06,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:36:06,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:36:06,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:36:06,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:36:06,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:06" (1/1) ... [2022-11-25 23:36:06,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:36:06,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f23168-5385-4614-9d20-899941cfdb04/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:36:06,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f23168-5385-4614-9d20-899941cfdb04/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:36:06,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f23168-5385-4614-9d20-899941cfdb04/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:36:06,939 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-25 23:36:06,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-25 23:36:06,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:36:06,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 23:36:06,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:36:06,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:36:06,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:36:06,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:36:06,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 23:36:06,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:36:06,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:36:06,945 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 23:36:07,081 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:36:07,083 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:36:07,302 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:36:07,437 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:36:07,437 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 23:36:07,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:36:07 BoogieIcfgContainer [2022-11-25 23:36:07,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:36:07,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:36:07,482 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:36:07,486 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:36:07,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:36:05" (1/3) ... [2022-11-25 23:36:07,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de6b2d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:36:07, skipping insertion in model container [2022-11-25 23:36:07,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:06" (2/3) ... [2022-11-25 23:36:07,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de6b2d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:36:07, skipping insertion in model container [2022-11-25 23:36:07,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:36:07" (3/3) ... [2022-11-25 23:36:07,490 INFO L112 eAbstractionObserver]: Analyzing ICFG 40_barrier_vf.i [2022-11-25 23:36:07,500 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 23:36:07,540 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:36:07,541 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-25 23:36:07,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de6b2d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:36:07, skipping insertion in model container [2022-11-25 23:36:07,543 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:36:07,543 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:36:07,544 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:36:07,544 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:36:07,545 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:36:07" (3/3) ... [2022-11-25 23:36:07,549 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 23:36:07,556 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2022-11-25 23:36:07,566 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-25 23:36:07,566 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 23:36:07,566 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 23:36:07,567 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 23:36:07,611 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f23168-5385-4614-9d20-899941cfdb04/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:36:07,611 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:36:07,618 INFO L158 Benchmark]: Toolchain (without parser) took 1694.90ms. Allocated memory is still 157.3MB. Free memory was 111.4MB in the beginning and 125.3MB in the end (delta: -13.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:36:07,619 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory was 88.1MB in the beginning and 88.1MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:36:07,620 INFO L158 Benchmark]: CACSL2BoogieTranslator took 777.83ms. Allocated memory is still 157.3MB. Free memory was 111.4MB in the beginning and 91.1MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-25 23:36:07,621 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.78ms. Allocated memory is still 157.3MB. Free memory was 91.1MB in the beginning and 89.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:36:07,622 INFO L158 Benchmark]: Boogie Preprocessor took 56.90ms. Allocated memory is still 157.3MB. Free memory was 89.0MB in the beginning and 87.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:36:07,622 INFO L158 Benchmark]: RCFGBuilder took 639.18ms. Allocated memory is still 157.3MB. Free memory was 87.5MB in the beginning and 127.5MB in the end (delta: -40.1MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2022-11-25 23:36:07,626 INFO L158 Benchmark]: TraceAbstraction took 60.62ms. Allocated memory is still 157.3MB. Free memory was 126.8MB in the beginning and 127.4MB in the end (delta: -551.0kB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2022-11-25 23:36:07,627 INFO L158 Benchmark]: Witness Printer took 67.52ms. Allocated memory is still 157.3MB. Free memory was 127.4MB in the beginning and 125.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:36:07,632 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory was 88.1MB in the beginning and 88.1MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 777.83ms. Allocated memory is still 157.3MB. Free memory was 111.4MB in the beginning and 91.1MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.78ms. Allocated memory is still 157.3MB. Free memory was 91.1MB in the beginning and 89.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.90ms. Allocated memory is still 157.3MB. Free memory was 89.0MB in the beginning and 87.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 639.18ms. Allocated memory is still 157.3MB. Free memory was 87.5MB in the beginning and 127.5MB in the end (delta: -40.1MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * TraceAbstraction took 60.62ms. Allocated memory is still 157.3MB. Free memory was 126.8MB in the beginning and 127.4MB in the end (delta: -551.0kB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Witness Printer took 67.52ms. Allocated memory is still 157.3MB. Free memory was 127.4MB in the beginning and 125.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-25 23:36:07,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f23168-5385-4614-9d20-899941cfdb04/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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: TRUE