./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 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_b5a3f145-b232-43c0-afde-7c61f858bad2/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5a3f145-b232-43c0-afde-7c61f858bad2/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5a3f145-b232-43c0-afde-7c61f858bad2/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5a3f145-b232-43c0-afde-7c61f858bad2/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5a3f145-b232-43c0-afde-7c61f858bad2/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5a3f145-b232-43c0-afde-7c61f858bad2/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f7757e6e73d857d492b029f13f86cb5d550622238e5a2b483c58ab6fc3ffdeb1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 05:57:42,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:57:42,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:57:42,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:57:42,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:57:42,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:57:42,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:57:42,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:57:42,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:57:42,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:57:42,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:57:42,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:57:42,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:57:42,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:57:42,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:57:42,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:57:42,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:57:42,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:57:42,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:57:42,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:57:42,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:57:42,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:57:42,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:57:42,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:57:42,329 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:57:42,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:57:42,330 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:57:42,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:57:42,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:57:42,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:57:42,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:57:42,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:57:42,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:57:42,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:57:42,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:57:42,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:57:42,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:57:42,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:57:42,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:57:42,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:57:42,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:57:42,346 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5a3f145-b232-43c0-afde-7c61f858bad2/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 05:57:42,375 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:57:42,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:57:42,375 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:57:42,375 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:57:42,376 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:57:42,376 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:57:42,376 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:57:42,376 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:57:42,376 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:57:42,376 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:57:42,376 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:57:42,377 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:57:42,377 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:57:42,377 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:57:42,377 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:57:42,377 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:57:42,377 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:57:42,377 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:57:42,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:57:42,378 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 05:57:42,378 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 05:57:42,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:57:42,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 05:57:42,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:57:42,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:57:42,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:57:42,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:57:42,378 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 05:57:42,379 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 05:57:42,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:57:42,379 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:57:42,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:57:42,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:57:42,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:57:42,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:57:42,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:57:42,379 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:57:42,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:57:42,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:57:42,380 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:57:42,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:57:42,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:57:42,380 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:57:42,380 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_b5a3f145-b232-43c0-afde-7c61f858bad2/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5a3f145-b232-43c0-afde-7c61f858bad2/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7757e6e73d857d492b029f13f86cb5d550622238e5a2b483c58ab6fc3ffdeb1 [2022-12-14 05:57:42,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:57:42,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:57:42,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:57:42,555 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:57:42,556 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:57:42,556 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5a3f145-b232-43c0-afde-7c61f858bad2/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i [2022-12-14 05:57:45,109 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:57:45,276 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:57:45,276 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5a3f145-b232-43c0-afde-7c61f858bad2/sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i [2022-12-14 05:57:45,286 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5a3f145-b232-43c0-afde-7c61f858bad2/bin/utaipan-gh47qXpMRh/data/b9f744d79/5aa46fb3957d4c699109e92708a04026/FLAGc61339ceb [2022-12-14 05:57:45,674 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5a3f145-b232-43c0-afde-7c61f858bad2/bin/utaipan-gh47qXpMRh/data/b9f744d79/5aa46fb3957d4c699109e92708a04026 [2022-12-14 05:57:45,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:57:45,678 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:57:45,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:57:45,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:57:45,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:57:45,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:57:45" (1/1) ... [2022-12-14 05:57:45,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@680cb5ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:45, skipping insertion in model container [2022-12-14 05:57:45,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:57:45" (1/1) ... [2022-12-14 05:57:45,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:57:45,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:57:45,897 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_b5a3f145-b232-43c0-afde-7c61f858bad2/sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i[30287,30300] [2022-12-14 05:57:45,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:57:45,907 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:57:45,936 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_b5a3f145-b232-43c0-afde-7c61f858bad2/sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i[30287,30300] [2022-12-14 05:57:45,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:57:45,959 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:57:45,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:45 WrapperNode [2022-12-14 05:57:45,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:57:45,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:57:45,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:57:45,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:57:45,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:45" (1/1) ... [2022-12-14 05:57:45,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:45" (1/1) ... [2022-12-14 05:57:45,987 INFO L138 Inliner]: procedures = 167, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-12-14 05:57:45,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:57:45,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:57:45,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:57:45,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:57:45,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:45" (1/1) ... [2022-12-14 05:57:45,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:45" (1/1) ... [2022-12-14 05:57:45,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:45" (1/1) ... [2022-12-14 05:57:45,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:45" (1/1) ... [2022-12-14 05:57:46,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:45" (1/1) ... [2022-12-14 05:57:46,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:45" (1/1) ... [2022-12-14 05:57:46,003 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:45" (1/1) ... [2022-12-14 05:57:46,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:45" (1/1) ... [2022-12-14 05:57:46,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:57:46,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:57:46,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:57:46,007 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:57:46,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:45" (1/1) ... [2022-12-14 05:57:46,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:57:46,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5a3f145-b232-43c0-afde-7c61f858bad2/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:57:46,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5a3f145-b232-43c0-afde-7c61f858bad2/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:57:46,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5a3f145-b232-43c0-afde-7c61f858bad2/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:57:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-14 05:57:46,088 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-14 05:57:46,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 05:57:46,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:57:46,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 05:57:46,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 05:57:46,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:57:46,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:57:46,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:57:46,089 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 05:57:46,184 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:57:46,186 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:57:46,285 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:57:46,289 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:57:46,289 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-14 05:57:46,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:57:46 BoogieIcfgContainer [2022-12-14 05:57:46,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:57:46,292 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:57:46,292 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:57:46,295 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:57:46,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:57:45" (1/3) ... [2022-12-14 05:57:46,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16cc43b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:57:46, skipping insertion in model container [2022-12-14 05:57:46,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:45" (2/3) ... [2022-12-14 05:57:46,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16cc43b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:57:46, skipping insertion in model container [2022-12-14 05:57:46,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:57:46" (3/3) ... [2022-12-14 05:57:46,297 INFO L112 eAbstractionObserver]: Analyzing ICFG 28_buggy_simple_loop1_vf.i [2022-12-14 05:57:46,303 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 05:57:46,311 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:57:46,311 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-12-14 05:57:46,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16cc43b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 05:57:46, skipping insertion in model container [2022-12-14 05:57:46,312 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 05:57:46,312 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 05:57:46,312 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 05:57:46,313 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 05:57:46,313 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:57:46" (3/3) ... [2022-12-14 05:57:46,315 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 05:57:46,320 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2022-12-14 05:57:46,322 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-14 05:57:46,322 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 05:57:46,322 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 05:57:46,322 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 05:57:46,343 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5a3f145-b232-43c0-afde-7c61f858bad2/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 05:57:46,343 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 05:57:46,344 INFO L158 Benchmark]: Toolchain (without parser) took 666.17ms. Allocated memory is still 213.9MB. Free memory was 156.5MB in the beginning and 171.2MB in the end (delta: -14.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:57:46,344 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 107.0MB. Free memory was 73.9MB in the beginning and 73.8MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:57:46,345 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.38ms. Allocated memory is still 213.9MB. Free memory was 156.5MB in the beginning and 137.4MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 05:57:46,345 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.63ms. Allocated memory is still 213.9MB. Free memory was 137.4MB in the beginning and 135.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:57:46,346 INFO L158 Benchmark]: Boogie Preprocessor took 17.64ms. Allocated memory is still 213.9MB. Free memory was 135.6MB in the beginning and 134.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:57:46,346 INFO L158 Benchmark]: RCFGBuilder took 284.32ms. Allocated memory is still 213.9MB. Free memory was 134.1MB in the beginning and 176.2MB in the end (delta: -42.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 05:57:46,346 INFO L158 Benchmark]: TraceAbstraction took 19.68ms. Allocated memory is still 213.9MB. Free memory was 175.4MB in the beginning and 173.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:57:46,347 INFO L158 Benchmark]: Witness Printer took 30.64ms. Allocated memory is still 213.9MB. Free memory was 173.2MB in the beginning and 171.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:57:46,349 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 107.0MB. Free memory was 73.9MB in the beginning and 73.8MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.38ms. Allocated memory is still 213.9MB. Free memory was 156.5MB in the beginning and 137.4MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.63ms. Allocated memory is still 213.9MB. Free memory was 137.4MB in the beginning and 135.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.64ms. Allocated memory is still 213.9MB. Free memory was 135.6MB in the beginning and 134.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 284.32ms. Allocated memory is still 213.9MB. Free memory was 134.1MB in the beginning and 176.2MB in the end (delta: -42.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 19.68ms. Allocated memory is still 213.9MB. Free memory was 175.4MB in the beginning and 173.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 30.64ms. Allocated memory is still 213.9MB. Free memory was 173.2MB in the beginning and 171.2MB in the end (delta: 1.9MB). 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! [2022-12-14 05:57:46,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5a3f145-b232-43c0-afde-7c61f858bad2/bin/utaipan-gh47qXpMRh/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