./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 e04fb08f 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_6d39adfb-79c4-49ab-8908-abe4acbe2373/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d39adfb-79c4-49ab-8908-abe4acbe2373/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d39adfb-79c4-49ab-8908-abe4acbe2373/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d39adfb-79c4-49ab-8908-abe4acbe2373/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d39adfb-79c4-49ab-8908-abe4acbe2373/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d39adfb-79c4-49ab-8908-abe4acbe2373/bin/utaipan-Xvt2sAort0 --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-e04fb08 [2022-11-16 16:32:08,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 16:32:08,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 16:32:08,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 16:32:08,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 16:32:08,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 16:32:08,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 16:32:08,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 16:32:08,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 16:32:08,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 16:32:08,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 16:32:08,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 16:32:08,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 16:32:08,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 16:32:08,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 16:32:08,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 16:32:08,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 16:32:08,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 16:32:08,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 16:32:08,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 16:32:08,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 16:32:08,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 16:32:08,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 16:32:08,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 16:32:08,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 16:32:08,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 16:32:08,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 16:32:08,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 16:32:08,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 16:32:08,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 16:32:08,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 16:32:08,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 16:32:08,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 16:32:08,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 16:32:08,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 16:32:08,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 16:32:08,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 16:32:08,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 16:32:08,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 16:32:08,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 16:32:08,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 16:32:08,139 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d39adfb-79c4-49ab-8908-abe4acbe2373/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-16 16:32:08,180 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 16:32:08,181 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 16:32:08,181 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 16:32:08,182 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 16:32:08,182 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 16:32:08,183 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 16:32:08,183 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 16:32:08,183 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 16:32:08,183 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 16:32:08,184 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 16:32:08,185 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 16:32:08,185 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 16:32:08,185 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 16:32:08,185 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 16:32:08,186 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 16:32:08,186 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 16:32:08,186 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 16:32:08,186 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 16:32:08,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 16:32:08,187 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 16:32:08,187 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 16:32:08,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 16:32:08,188 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 16:32:08,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 16:32:08,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 16:32:08,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 16:32:08,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 16:32:08,189 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-16 16:32:08,189 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 16:32:08,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 16:32:08,190 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 16:32:08,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 16:32:08,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 16:32:08,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 16:32:08,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:32:08,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 16:32:08,192 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 16:32:08,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 16:32:08,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 16:32:08,192 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 16:32:08,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 16:32:08,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 16:32:08,193 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 16:32:08,193 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_6d39adfb-79c4-49ab-8908-abe4acbe2373/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d39adfb-79c4-49ab-8908-abe4acbe2373/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eef73b6b2655059556d731e3a5babc181132142f2417a2cf863165dd8efda84 [2022-11-16 16:32:08,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 16:32:08,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 16:32:08,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 16:32:08,509 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 16:32:08,510 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 16:32:08,511 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d39adfb-79c4-49ab-8908-abe4acbe2373/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2022-11-16 16:32:08,574 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d39adfb-79c4-49ab-8908-abe4acbe2373/bin/utaipan-Xvt2sAort0/data/de3ddef99/d0257726a4ce478f92db3f01f970c6f0/FLAGfad0cd66e [2022-11-16 16:32:09,157 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 16:32:09,158 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d39adfb-79c4-49ab-8908-abe4acbe2373/sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2022-11-16 16:32:09,179 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d39adfb-79c4-49ab-8908-abe4acbe2373/bin/utaipan-Xvt2sAort0/data/de3ddef99/d0257726a4ce478f92db3f01f970c6f0/FLAGfad0cd66e [2022-11-16 16:32:09,472 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d39adfb-79c4-49ab-8908-abe4acbe2373/bin/utaipan-Xvt2sAort0/data/de3ddef99/d0257726a4ce478f92db3f01f970c6f0 [2022-11-16 16:32:09,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 16:32:09,476 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 16:32:09,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 16:32:09,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 16:32:09,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 16:32:09,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:32:09" (1/1) ... [2022-11-16 16:32:09,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35b839f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:32:09, skipping insertion in model container [2022-11-16 16:32:09,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:32:09" (1/1) ... [2022-11-16 16:32:09,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 16:32:09,547 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 16:32:09,767 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-16 16:32:09,908 WARN L229 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_6d39adfb-79c4-49ab-8908-abe4acbe2373/sv-benchmarks/c/pthread-ext/40_barrier_vf.i[31163,31176] [2022-11-16 16:32:09,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:32:09,930 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 16:32:09,963 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-16 16:32:10,014 WARN L229 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_6d39adfb-79c4-49ab-8908-abe4acbe2373/sv-benchmarks/c/pthread-ext/40_barrier_vf.i[31163,31176] [2022-11-16 16:32:10,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:32:10,056 INFO L208 MainTranslator]: Completed translation [2022-11-16 16:32:10,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:32:10 WrapperNode [2022-11-16 16:32:10,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 16:32:10,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 16:32:10,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 16:32:10,060 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 16:32:10,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:32:10" (1/1) ... [2022-11-16 16:32:10,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:32:10" (1/1) ... [2022-11-16 16:32:10,132 INFO L138 Inliner]: procedures = 174, calls = 25, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 78 [2022-11-16 16:32:10,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 16:32:10,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 16:32:10,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 16:32:10,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 16:32:10,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:32:10" (1/1) ... [2022-11-16 16:32:10,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:32:10" (1/1) ... [2022-11-16 16:32:10,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:32:10" (1/1) ... [2022-11-16 16:32:10,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:32:10" (1/1) ... [2022-11-16 16:32:10,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:32:10" (1/1) ... [2022-11-16 16:32:10,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:32:10" (1/1) ... [2022-11-16 16:32:10,171 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:32:10" (1/1) ... [2022-11-16 16:32:10,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:32:10" (1/1) ... [2022-11-16 16:32:10,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 16:32:10,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 16:32:10,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 16:32:10,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 16:32:10,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:32:10" (1/1) ... [2022-11-16 16:32:10,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:32:10,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d39adfb-79c4-49ab-8908-abe4acbe2373/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:32:10,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d39adfb-79c4-49ab-8908-abe4acbe2373/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 16:32:10,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d39adfb-79c4-49ab-8908-abe4acbe2373/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 16:32:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-16 16:32:10,271 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-16 16:32:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 16:32:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 16:32:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 16:32:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 16:32:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 16:32:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 16:32:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 16:32:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 16:32:10,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 16:32:10,275 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 16:32:10,439 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 16:32:10,441 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 16:32:10,619 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 16:32:10,751 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 16:32:10,752 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 16:32:10,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:32:10 BoogieIcfgContainer [2022-11-16 16:32:10,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 16:32:10,764 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 16:32:10,764 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 16:32:10,768 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 16:32:10,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 04:32:09" (1/3) ... [2022-11-16 16:32:10,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cf4dc67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:32:10, skipping insertion in model container [2022-11-16 16:32:10,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:32:10" (2/3) ... [2022-11-16 16:32:10,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cf4dc67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:32:10, skipping insertion in model container [2022-11-16 16:32:10,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:32:10" (3/3) ... [2022-11-16 16:32:10,772 INFO L112 eAbstractionObserver]: Analyzing ICFG 40_barrier_vf.i [2022-11-16 16:32:10,781 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 16:32:10,792 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 16:32:10,792 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-16 16:32:10,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cf4dc67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 04:32:10, skipping insertion in model container [2022-11-16 16:32:10,795 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 16:32:10,796 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 16:32:10,796 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 16:32:10,797 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 16:32:10,798 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:32:10" (3/3) ... [2022-11-16 16:32:10,801 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 16:32:10,807 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2022-11-16 16:32:10,812 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 16:32:10,812 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 16:32:10,813 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-16 16:32:10,813 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 16:32:10,863 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d39adfb-79c4-49ab-8908-abe4acbe2373/bin/utaipan-Xvt2sAort0/witness.graphml [2022-11-16 16:32:10,863 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 16:32:10,870 INFO L158 Benchmark]: Toolchain (without parser) took 1388.84ms. Allocated memory is still 127.9MB. Free memory was 92.9MB in the beginning and 66.3MB in the end (delta: 26.7MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2022-11-16 16:32:10,870 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 81.8MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 16:32:10,871 INFO L158 Benchmark]: CACSL2BoogieTranslator took 580.51ms. Allocated memory is still 127.9MB. Free memory was 92.9MB in the beginning and 91.5MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 16:32:10,871 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.49ms. Allocated memory is still 127.9MB. Free memory was 91.5MB in the beginning and 89.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 16:32:10,872 INFO L158 Benchmark]: Boogie Preprocessor took 41.18ms. Allocated memory is still 127.9MB. Free memory was 89.9MB in the beginning and 88.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 16:32:10,873 INFO L158 Benchmark]: RCFGBuilder took 585.77ms. Allocated memory is still 127.9MB. Free memory was 88.4MB in the beginning and 71.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-16 16:32:10,875 INFO L158 Benchmark]: TraceAbstraction took 31.60ms. Allocated memory is still 127.9MB. Free memory was 70.5MB in the beginning and 68.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 16:32:10,876 INFO L158 Benchmark]: Witness Printer took 68.02ms. Allocated memory is still 127.9MB. Free memory was 68.4MB in the beginning and 66.3MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 16:32:10,882 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 81.8MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 580.51ms. Allocated memory is still 127.9MB. Free memory was 92.9MB in the beginning and 91.5MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.49ms. Allocated memory is still 127.9MB. Free memory was 91.5MB in the beginning and 89.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.18ms. Allocated memory is still 127.9MB. Free memory was 89.9MB in the beginning and 88.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 585.77ms. Allocated memory is still 127.9MB. Free memory was 88.4MB in the beginning and 71.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 31.60ms. Allocated memory is still 127.9MB. Free memory was 70.5MB in the beginning and 68.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 68.02ms. Allocated memory is still 127.9MB. Free memory was 68.4MB in the beginning and 66.3MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. 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! [2022-11-16 16:32:10,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d39adfb-79c4-49ab-8908-abe4acbe2373/bin/utaipan-Xvt2sAort0/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