./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/45_monabsex1_vs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/45_monabsex1_vs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 43a7b886f1e454dafac7facab2674c64a0fa591a6bf106acb1f8b320d6c92508 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:58:56,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:58:56,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:58:56,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:58:56,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:58:56,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:58:56,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:58:56,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:58:56,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:58:56,294 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:58:56,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:58:56,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:58:56,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:58:56,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:58:56,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:58:56,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:58:56,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:58:56,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:58:56,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:58:56,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:58:56,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:58:56,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:58:56,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:58:56,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:58:56,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:58:56,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:58:56,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:58:56,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:58:56,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:58:56,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:58:56,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:58:56,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:58:56,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:58:56,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:58:56,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:58:56,339 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:58:56,340 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:58:56,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:58:56,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:58:56,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:58:56,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:58:56,345 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 16:58:56,379 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:58:56,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:58:56,384 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:58:56,384 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:58:56,385 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:58:56,385 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:58:56,386 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:58:56,386 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:58:56,386 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:58:56,386 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:58:56,387 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:58:56,387 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:58:56,387 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:58:56,387 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:58:56,387 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:58:56,388 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:58:56,388 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:58:56,388 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:58:56,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:58:56,389 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:58:56,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:58:56,390 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:58:56,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:58:56,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:58:56,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:58:56,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:58:56,391 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:58:56,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:58:56,396 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:58:56,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:58:56,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:58:56,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:58:56,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:58:56,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:58:56,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:58:56,399 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:58:56,400 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:58:56,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:58:56,401 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:58:56,401 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:58:56,401 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:58:56,402 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43a7b886f1e454dafac7facab2674c64a0fa591a6bf106acb1f8b320d6c92508 [2021-11-23 16:58:56,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:58:56,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:58:56,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:58:56,759 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:58:56,760 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:58:56,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-ext/45_monabsex1_vs.i [2021-11-23 16:58:56,864 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl/data/436935a23/5944483c70f2479b8c9752e779e9cb70/FLAGa4e0b89ed [2021-11-23 16:58:57,588 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:58:57,589 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/sv-benchmarks/c/pthread-ext/45_monabsex1_vs.i [2021-11-23 16:58:57,620 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl/data/436935a23/5944483c70f2479b8c9752e779e9cb70/FLAGa4e0b89ed [2021-11-23 16:58:57,794 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl/data/436935a23/5944483c70f2479b8c9752e779e9cb70 [2021-11-23 16:58:57,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:58:57,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:58:57,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:58:57,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:58:57,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:58:57,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:58:57" (1/1) ... [2021-11-23 16:58:57,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b098481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:57, skipping insertion in model container [2021-11-23 16:58:57,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:58:57" (1/1) ... [2021-11-23 16:58:57,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:58:57,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:58:58,175 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 16:58:58,342 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/sv-benchmarks/c/pthread-ext/45_monabsex1_vs.i[30633,30646] [2021-11-23 16:58:58,352 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:58:58,361 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:58:58,381 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 16:58:58,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/sv-benchmarks/c/pthread-ext/45_monabsex1_vs.i[30633,30646] [2021-11-23 16:58:58,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:58:58,463 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:58:58,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:58 WrapperNode [2021-11-23 16:58:58,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:58:58,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:58:58,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:58:58,466 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:58:58,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:58" (1/1) ... [2021-11-23 16:58:58,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:58" (1/1) ... [2021-11-23 16:58:58,514 INFO L137 Inliner]: procedures = 171, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2021-11-23 16:58:58,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:58:58,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:58:58,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:58:58,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:58:58,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:58" (1/1) ... [2021-11-23 16:58:58,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:58" (1/1) ... [2021-11-23 16:58:58,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:58" (1/1) ... [2021-11-23 16:58:58,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:58" (1/1) ... [2021-11-23 16:58:58,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:58" (1/1) ... [2021-11-23 16:58:58,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:58" (1/1) ... [2021-11-23 16:58:58,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:58" (1/1) ... [2021-11-23 16:58:58,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:58:58,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:58:58,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:58:58,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:58:58,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:58" (1/1) ... [2021-11-23 16:58:58,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:58:58,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:58:58,587 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:58:58,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:58:58,648 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 16:58:58,648 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 16:58:58,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 16:58:58,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 16:58:58,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:58:58,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 16:58:58,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 16:58:58,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 16:58:58,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 16:58:58,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:58:58,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:58:58,652 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 16:58:58,827 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:58:58,829 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:58:58,955 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:58:58,973 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:58:58,979 INFO L158 Benchmark]: Toolchain (without parser) took 1165.24ms. Allocated memory is still 92.3MB. Free memory was 56.3MB in the beginning and 43.8MB in the end (delta: 12.5MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2021-11-23 16:58:58,980 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 92.3MB. Free memory was 64.4MB in the beginning and 64.3MB in the end (delta: 24.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:58:58,981 INFO L158 Benchmark]: CACSL2BoogieTranslator took 639.30ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 57.0MB in the end (delta: -936.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 16:58:58,982 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.70ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 55.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:58:58,988 INFO L158 Benchmark]: Boogie Preprocessor took 30.23ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 54.3MB in the end (delta: 992.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:58:58,991 INFO L158 Benchmark]: RCFGBuilder took 429.54ms. Allocated memory is still 92.3MB. Free memory was 53.9MB in the beginning and 43.8MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 16:58:58,995 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 92.3MB. Free memory was 64.4MB in the beginning and 64.3MB in the end (delta: 24.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 639.30ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 57.0MB in the end (delta: -936.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.70ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 55.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.23ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 54.3MB in the end (delta: 992.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 429.54ms. Allocated memory is still 92.3MB. Free memory was 53.9MB in the beginning and 43.8MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:58:59,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/45_monabsex1_vs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 43a7b886f1e454dafac7facab2674c64a0fa591a6bf106acb1f8b320d6c92508 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:59:02,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:59:02,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:59:02,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:59:02,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:59:02,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:59:02,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:59:02,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:59:02,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:59:02,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:59:02,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:59:02,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:59:02,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:59:02,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:59:02,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:59:02,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:59:02,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:59:02,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:59:02,207 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:59:02,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:59:02,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:59:02,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:59:02,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:59:02,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:59:02,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:59:02,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:59:02,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:59:02,242 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:59:02,243 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:59:02,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:59:02,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:59:02,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:59:02,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:59:02,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:59:02,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:59:02,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:59:02,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:59:02,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:59:02,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:59:02,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:59:02,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:59:02,266 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 16:59:02,333 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:59:02,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:59:02,334 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:59:02,335 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:59:02,336 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:59:02,337 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:59:02,337 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:59:02,337 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:59:02,338 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:59:02,338 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:59:02,340 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:59:02,340 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:59:02,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:59:02,343 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:59:02,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:59:02,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:59:02,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:59:02,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:59:02,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:59:02,345 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:59:02,345 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:59:02,346 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:59:02,346 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:59:02,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:59:02,347 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:59:02,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:59:02,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:59:02,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:59:02,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:59:02,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:59:02,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:59:02,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:59:02,351 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:59:02,351 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:59:02,352 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:59:02,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:59:02,352 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:59:02,353 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:59:02,354 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43a7b886f1e454dafac7facab2674c64a0fa591a6bf106acb1f8b320d6c92508 [2021-11-23 16:59:02,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:59:02,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:59:02,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:59:02,869 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:59:02,870 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:59:02,871 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-ext/45_monabsex1_vs.i [2021-11-23 16:59:02,949 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl/data/4a286b348/07bf547aecad45099fd0a96eb8c859a9/FLAG58294f6e7 [2021-11-23 16:59:03,703 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:59:03,714 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/sv-benchmarks/c/pthread-ext/45_monabsex1_vs.i [2021-11-23 16:59:03,743 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl/data/4a286b348/07bf547aecad45099fd0a96eb8c859a9/FLAG58294f6e7 [2021-11-23 16:59:03,957 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl/data/4a286b348/07bf547aecad45099fd0a96eb8c859a9 [2021-11-23 16:59:03,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:59:03,962 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:59:03,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:59:03,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:59:03,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:59:03,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:59:03" (1/1) ... [2021-11-23 16:59:03,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32daee66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:59:03, skipping insertion in model container [2021-11-23 16:59:03,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:59:03" (1/1) ... [2021-11-23 16:59:03,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:59:04,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:59:04,241 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 16:59:04,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/sv-benchmarks/c/pthread-ext/45_monabsex1_vs.i[30633,30646] [2021-11-23 16:59:04,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:59:04,564 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:59:04,610 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 16:59:04,658 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/sv-benchmarks/c/pthread-ext/45_monabsex1_vs.i[30633,30646] [2021-11-23 16:59:04,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:59:04,737 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:59:04,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:59:04 WrapperNode [2021-11-23 16:59:04,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:59:04,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:59:04,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:59:04,740 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:59:04,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:59:04" (1/1) ... [2021-11-23 16:59:04,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:59:04" (1/1) ... [2021-11-23 16:59:04,828 INFO L137 Inliner]: procedures = 174, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2021-11-23 16:59:04,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:59:04,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:59:04,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:59:04,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:59:04,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:59:04" (1/1) ... [2021-11-23 16:59:04,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:59:04" (1/1) ... [2021-11-23 16:59:04,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:59:04" (1/1) ... [2021-11-23 16:59:04,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:59:04" (1/1) ... [2021-11-23 16:59:04,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:59:04" (1/1) ... [2021-11-23 16:59:04,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:59:04" (1/1) ... [2021-11-23 16:59:04,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:59:04" (1/1) ... [2021-11-23 16:59:04,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:59:04,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:59:04,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:59:04,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:59:04,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:59:04" (1/1) ... [2021-11-23 16:59:04,928 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:59:04,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:59:04,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:59:04,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:59:05,026 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 16:59:05,027 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 16:59:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 16:59:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:59:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 16:59:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 16:59:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 16:59:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:59:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 16:59:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:59:05,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:59:05,044 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 16:59:05,206 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:59:05,208 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:59:05,394 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:59:05,411 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:59:05,416 INFO L158 Benchmark]: Toolchain (without parser) took 1453.24ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 25.4MB in the beginning and 38.1MB in the end (delta: -12.6MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2021-11-23 16:59:05,417 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 50.3MB. Free memory is still 31.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:59:05,419 INFO L158 Benchmark]: CACSL2BoogieTranslator took 774.38ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 25.2MB in the beginning and 36.3MB in the end (delta: -11.1MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2021-11-23 16:59:05,420 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.10ms. Allocated memory is still 62.9MB. Free memory was 36.3MB in the beginning and 34.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:59:05,421 INFO L158 Benchmark]: Boogie Preprocessor took 79.41ms. Allocated memory is still 62.9MB. Free memory was 34.3MB in the beginning and 32.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:59:05,422 INFO L158 Benchmark]: RCFGBuilder took 501.11ms. Allocated memory is still 62.9MB. Free memory was 32.9MB in the beginning and 38.1MB in the end (delta: -5.2MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-11-23 16:59:05,428 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 50.3MB. Free memory is still 31.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 774.38ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 25.2MB in the beginning and 36.3MB in the end (delta: -11.1MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.10ms. Allocated memory is still 62.9MB. Free memory was 36.3MB in the beginning and 34.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.41ms. Allocated memory is still 62.9MB. Free memory was 34.3MB in the beginning and 32.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 501.11ms. Allocated memory is still 62.9MB. Free memory was 32.9MB in the beginning and 38.1MB in the end (delta: -5.2MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:59:05,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f111e-3494-43d8-8d14-b55091d7f89b/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable