./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-1_3-join.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_7de80d68-ba23-462d-b682-ade2ae692a00/bin/ugemcutter-syNpU3ikLH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de80d68-ba23-462d-b682-ade2ae692a00/bin/ugemcutter-syNpU3ikLH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de80d68-ba23-462d-b682-ade2ae692a00/bin/ugemcutter-syNpU3ikLH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de80d68-ba23-462d-b682-ade2ae692a00/bin/ugemcutter-syNpU3ikLH/config/GemCutterReach.xml -i ../../sv-benchmarks/c/ldv-races/race-1_3-join.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de80d68-ba23-462d-b682-ade2ae692a00/bin/ugemcutter-syNpU3ikLH/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de80d68-ba23-462d-b682-ade2ae692a00/bin/ugemcutter-syNpU3ikLH --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c7f2059024755e8d2127555397365a96bb56530f6a4795548fd916204307c42 --- 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 18:46:42,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:46:42,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:46:42,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:46:42,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:46:42,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:46:42,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:46:42,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:46:42,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:46:42,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:46:42,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:46:42,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:46:42,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:46:42,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:46:42,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:46:42,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:46:42,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:46:42,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:46:42,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:46:42,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:46:42,362 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:46:42,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:46:42,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:46:42,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:46:42,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:46:42,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:46:42,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:46:42,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:46:42,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:46:42,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:46:42,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:46:42,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:46:42,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:46:42,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:46:42,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:46:42,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:46:42,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:46:42,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:46:42,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:46:42,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:46:42,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:46:42,401 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de80d68-ba23-462d-b682-ade2ae692a00/bin/ugemcutter-syNpU3ikLH/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2022-11-25 18:46:42,445 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:46:42,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:46:42,447 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:46:42,447 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:46:42,448 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:46:42,449 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:46:42,449 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:46:42,450 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:46:42,450 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:46:42,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:46:42,452 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:46:42,452 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:46:42,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:46:42,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:46:42,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:46:42,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:46:42,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:46:42,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:46:42,454 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 18:46:42,454 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:46:42,455 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:46:42,455 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:46:42,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:46:42,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:46:42,456 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:46:42,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:46:42,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:46:42,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:46:42,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:46:42,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:46:42,459 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:46:42,459 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-25 18:46:42,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:46:42,460 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-25 18:46:42,460 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-25 18:46:42,460 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-25 18:46:42,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:46:42,461 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-25 18:46:42,461 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-25 18:46:42,461 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_7de80d68-ba23-462d-b682-ade2ae692a00/bin/ugemcutter-syNpU3ikLH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de80d68-ba23-462d-b682-ade2ae692a00/bin/ugemcutter-syNpU3ikLH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c7f2059024755e8d2127555397365a96bb56530f6a4795548fd916204307c42 [2022-11-25 18:46:42,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:46:42,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:46:42,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:46:42,845 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:46:42,845 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:46:42,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de80d68-ba23-462d-b682-ade2ae692a00/bin/ugemcutter-syNpU3ikLH/../../sv-benchmarks/c/ldv-races/race-1_3-join.i [2022-11-25 18:46:45,963 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:46:46,334 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:46:46,338 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de80d68-ba23-462d-b682-ade2ae692a00/sv-benchmarks/c/ldv-races/race-1_3-join.i [2022-11-25 18:46:46,364 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de80d68-ba23-462d-b682-ade2ae692a00/bin/ugemcutter-syNpU3ikLH/data/cc44477f7/8bc659067139477eb0a103b02081d58e/FLAG30937eb45 [2022-11-25 18:46:46,380 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de80d68-ba23-462d-b682-ade2ae692a00/bin/ugemcutter-syNpU3ikLH/data/cc44477f7/8bc659067139477eb0a103b02081d58e [2022-11-25 18:46:46,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:46:46,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:46:46,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:46:46,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:46:46,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:46:46,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:46:46" (1/1) ... [2022-11-25 18:46:46,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d0f2778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:46, skipping insertion in model container [2022-11-25 18:46:46,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:46:46" (1/1) ... [2022-11-25 18:46:46,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:46:46,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:46:47,208 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_7de80d68-ba23-462d-b682-ade2ae692a00/sv-benchmarks/c/ldv-races/race-1_3-join.i[76153,76166] [2022-11-25 18:46:47,211 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:46:47,212 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:46:47,239 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:46:47,241 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:46:47,241 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:46:47,242 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:46:47,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:46:47,263 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:46:47,337 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_7de80d68-ba23-462d-b682-ade2ae692a00/sv-benchmarks/c/ldv-races/race-1_3-join.i[76153,76166] [2022-11-25 18:46:47,338 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:46:47,338 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:46:47,343 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:46:47,344 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:46:47,344 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:46:47,345 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:46:47,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:46:47,499 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:46:47,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:47 WrapperNode [2022-11-25 18:46:47,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:46:47,502 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:46:47,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:46:47,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:46:47,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:47" (1/1) ... [2022-11-25 18:46:47,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:47" (1/1) ... [2022-11-25 18:46:47,571 INFO L138 Inliner]: procedures = 482, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 89 [2022-11-25 18:46:47,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:46:47,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:46:47,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:46:47,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:46:47,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:47" (1/1) ... [2022-11-25 18:46:47,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:47" (1/1) ... [2022-11-25 18:46:47,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:47" (1/1) ... [2022-11-25 18:46:47,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:47" (1/1) ... [2022-11-25 18:46:47,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:47" (1/1) ... [2022-11-25 18:46:47,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:47" (1/1) ... [2022-11-25 18:46:47,601 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:47" (1/1) ... [2022-11-25 18:46:47,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:47" (1/1) ... [2022-11-25 18:46:47,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:46:47,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:46:47,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:46:47,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:46:47,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:47" (1/1) ... [2022-11-25 18:46:47,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:46:47,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de80d68-ba23-462d-b682-ade2ae692a00/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:46:47,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de80d68-ba23-462d-b682-ade2ae692a00/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:46:47,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de80d68-ba23-462d-b682-ade2ae692a00/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:46:47,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 18:46:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:46:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 18:46:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:46:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-25 18:46:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:46:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 18:46:47,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:46:47,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:46:47,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:46:47,700 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-25 18:46:47,701 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-25 18:46:47,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:46:47,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:46:47,704 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 18:46:48,141 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:46:48,143 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:46:48,308 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:46:48,330 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:46:48,330 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 18:46:48,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:46:48 BoogieIcfgContainer [2022-11-25 18:46:48,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:46:48,335 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:46:48,335 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:46:48,339 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:46:48,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:46:46" (1/3) ... [2022-11-25 18:46:48,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@954931a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:46:48, skipping insertion in model container [2022-11-25 18:46:48,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:47" (2/3) ... [2022-11-25 18:46:48,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@954931a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:46:48, skipping insertion in model container [2022-11-25 18:46:48,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:46:48" (3/3) ... [2022-11-25 18:46:48,342 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_3-join.i [2022-11-25 18:46:48,351 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 18:46:48,362 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:46:48,363 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-25 18:46:48,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@954931a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:46:48, skipping insertion in model container [2022-11-25 18:46:48,365 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 18:46:48,365 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:46:48,366 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:46:48,366 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:46:48,367 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:46:48" (3/3) ... [2022-11-25 18:46:48,371 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 18:46:48,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-25 18:46:48,383 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-25 18:46:48,383 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-25 18:46:48,384 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 18:46:48,384 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 18:46:48,427 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de80d68-ba23-462d-b682-ade2ae692a00/bin/ugemcutter-syNpU3ikLH/witness.graphml [2022-11-25 18:46:48,427 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:46:48,429 INFO L158 Benchmark]: Toolchain (without parser) took 2044.44ms. Allocated memory is still 159.4MB. Free memory was 120.1MB in the beginning and 89.2MB in the end (delta: 30.9MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2022-11-25 18:46:48,430 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 115.3MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:46:48,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1115.15ms. Allocated memory is still 159.4MB. Free memory was 119.5MB in the beginning and 120.7MB in the end (delta: -1.2MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. [2022-11-25 18:46:48,431 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.12ms. Allocated memory is still 159.4MB. Free memory was 120.7MB in the beginning and 118.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:46:48,431 INFO L158 Benchmark]: Boogie Preprocessor took 35.32ms. Allocated memory is still 159.4MB. Free memory was 118.1MB in the beginning and 115.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 18:46:48,432 INFO L158 Benchmark]: RCFGBuilder took 725.03ms. Allocated memory is still 159.4MB. Free memory was 115.2MB in the beginning and 95.0MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 18:46:48,432 INFO L158 Benchmark]: TraceAbstraction took 29.71ms. Allocated memory is still 159.4MB. Free memory was 94.2MB in the beginning and 92.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:46:48,432 INFO L158 Benchmark]: Witness Printer took 62.21ms. Allocated memory is still 159.4MB. Free memory was 92.0MB in the beginning and 89.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:46:48,435 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 115.3MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1115.15ms. Allocated memory is still 159.4MB. Free memory was 119.5MB in the beginning and 120.7MB in the end (delta: -1.2MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.12ms. Allocated memory is still 159.4MB. Free memory was 120.7MB in the beginning and 118.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.32ms. Allocated memory is still 159.4MB. Free memory was 118.1MB in the beginning and 115.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 725.03ms. Allocated memory is still 159.4MB. Free memory was 115.2MB in the beginning and 95.0MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 29.71ms. Allocated memory is still 159.4MB. Free memory was 94.2MB in the beginning and 92.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 62.21ms. Allocated memory is still 159.4MB. Free memory was 92.0MB in the beginning and 89.2MB in the end (delta: 2.8MB). 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 18:46:48,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de80d68-ba23-462d-b682-ade2ae692a00/bin/ugemcutter-syNpU3ikLH/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