./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_09-arraylist.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races 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_c090ba59-9322-47ff-a898-fa42407b7ec6/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c090ba59-9322-47ff-a898-fa42407b7ec6/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c090ba59-9322-47ff-a898-fa42407b7ec6/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c090ba59-9322-47ff-a898-fa42407b7ec6/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_09-arraylist.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c090ba59-9322-47ff-a898-fa42407b7ec6/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c090ba59-9322-47ff-a898-fa42407b7ec6/bin/utaipan-ByfvJB40ur --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 531fb1e21d8f5a9631a3764359a014fcdd0042558e9afceaf1b553fa03cda562 --- 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 [2022-11-26 00:35:59,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:35:59,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:35:59,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:35:59,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:35:59,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:35:59,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:35:59,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:35:59,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:35:59,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:35:59,383 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:35:59,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:35:59,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:35:59,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:35:59,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:35:59,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:35:59,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:35:59,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:35:59,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:35:59,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:35:59,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:35:59,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:35:59,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:35:59,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:35:59,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:35:59,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:35:59,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:35:59,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:35:59,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:35:59,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:35:59,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:35:59,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:35:59,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:35:59,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:35:59,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:35:59,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:35:59,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:35:59,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:35:59,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:35:59,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:35:59,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:35:59,445 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c090ba59-9322-47ff-a898-fa42407b7ec6/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-26 00:35:59,480 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:35:59,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:35:59,481 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:35:59,481 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:35:59,482 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:35:59,483 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:35:59,483 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:35:59,483 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:35:59,483 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:35:59,484 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:35:59,485 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:35:59,485 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:35:59,485 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:35:59,485 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:35:59,486 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:35:59,486 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:35:59,486 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:35:59,487 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:35:59,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:35:59,488 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:35:59,488 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:35:59,488 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:35:59,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:35:59,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:35:59,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:35:59,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:35:59,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:35:59,490 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-26 00:35:59,490 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:35:59,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:35:59,491 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:35:59,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:35:59,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:35:59,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:35:59,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:35:59,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:35:59,492 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:35:59,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:35:59,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:35:59,493 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:35:59,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:35:59,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:35:59,494 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:35:59,494 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_c090ba59-9322-47ff-a898-fa42407b7ec6/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c090ba59-9322-47ff-a898-fa42407b7ec6/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 531fb1e21d8f5a9631a3764359a014fcdd0042558e9afceaf1b553fa03cda562 [2022-11-26 00:35:59,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:35:59,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:35:59,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:35:59,828 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:35:59,828 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:35:59,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c090ba59-9322-47ff-a898-fa42407b7ec6/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/goblint-regression/09-regions_09-arraylist.i [2022-11-26 00:36:02,982 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:36:03,446 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:36:03,446 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c090ba59-9322-47ff-a898-fa42407b7ec6/sv-benchmarks/c/goblint-regression/09-regions_09-arraylist.i [2022-11-26 00:36:03,461 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c090ba59-9322-47ff-a898-fa42407b7ec6/bin/utaipan-ByfvJB40ur/data/5b87aa66c/87cb88a1fcaf49febca0d2f175318f1a/FLAGbd26bc4b5 [2022-11-26 00:36:03,475 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c090ba59-9322-47ff-a898-fa42407b7ec6/bin/utaipan-ByfvJB40ur/data/5b87aa66c/87cb88a1fcaf49febca0d2f175318f1a [2022-11-26 00:36:03,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:36:03,479 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:36:03,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:36:03,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:36:03,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:36:03,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:36:03" (1/1) ... [2022-11-26 00:36:03,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a9b8c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:03, skipping insertion in model container [2022-11-26 00:36:03,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:36:03" (1/1) ... [2022-11-26 00:36:03,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:36:03,538 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:36:04,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:36:04,229 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:36:04,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:36:04,403 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:36:04,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:04 WrapperNode [2022-11-26 00:36:04,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:36:04,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:36:04,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:36:04,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:36:04,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:04" (1/1) ... [2022-11-26 00:36:04,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:04" (1/1) ... [2022-11-26 00:36:04,477 INFO L138 Inliner]: procedures = 371, calls = 35, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 223 [2022-11-26 00:36:04,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:36:04,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:36:04,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:36:04,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:36:04,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:04" (1/1) ... [2022-11-26 00:36:04,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:04" (1/1) ... [2022-11-26 00:36:04,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:04" (1/1) ... [2022-11-26 00:36:04,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:04" (1/1) ... [2022-11-26 00:36:04,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:04" (1/1) ... [2022-11-26 00:36:04,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:04" (1/1) ... [2022-11-26 00:36:04,524 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:04" (1/1) ... [2022-11-26 00:36:04,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:04" (1/1) ... [2022-11-26 00:36:04,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:36:04,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:36:04,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:36:04,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:36:04,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:04" (1/1) ... [2022-11-26 00:36:04,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:36:04,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c090ba59-9322-47ff-a898-fa42407b7ec6/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:36:04,584 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c090ba59-9322-47ff-a898-fa42407b7ec6/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:36:04,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c090ba59-9322-47ff-a898-fa42407b7ec6/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:36:04,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:36:04,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:36:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:36:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:36:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:36:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-26 00:36:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:36:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:36:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:36:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-26 00:36:04,632 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-26 00:36:04,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:36:04,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:36:04,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:36:04,634 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-26 00:36:04,801 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:36:04,803 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:36:05,640 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:36:05,650 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:36:05,650 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:36:05,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:36:05 BoogieIcfgContainer [2022-11-26 00:36:05,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:36:05,655 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:36:05,655 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:36:05,658 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:36:05,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:36:03" (1/3) ... [2022-11-26 00:36:05,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d863272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:36:05, skipping insertion in model container [2022-11-26 00:36:05,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:04" (2/3) ... [2022-11-26 00:36:05,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d863272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:36:05, skipping insertion in model container [2022-11-26 00:36:05,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:36:05" (3/3) ... [2022-11-26 00:36:05,662 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_09-arraylist.i [2022-11-26 00:36:05,671 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-26 00:36:05,682 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:36:05,683 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-11-26 00:36:05,683 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-26 00:36:05,784 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-26 00:36:05,850 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-26 00:36:05,866 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 273 places, 271 transitions, 547 flow [2022-11-26 00:36:05,869 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 273 places, 271 transitions, 547 flow [2022-11-26 00:36:05,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 273 places, 271 transitions, 547 flow [2022-11-26 00:36:06,026 INFO L130 PetriNetUnfolder]: 2/270 cut-off events. [2022-11-26 00:36:06,026 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-26 00:36:06,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 270 events. 2/270 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 101 event pairs, 0 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 144. Up to 2 conditions per place. [2022-11-26 00:36:06,039 INFO L119 LiptonReduction]: Number of co-enabled transitions 6512 [2022-11-26 00:36:41,349 WARN L233 SmtUtils]: Spent 9.39s on a formula simplification that was a NOOP. DAG size: 142 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:36:49,473 WARN L233 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 136 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:37:01,046 WARN L233 SmtUtils]: Spent 7.89s on a formula simplification that was a NOOP. DAG size: 136 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:37:58,198 WARN L233 SmtUtils]: Spent 56.12s on a formula simplification. DAG size of input: 200 DAG size of output: 196 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:38:25,402 WARN L233 SmtUtils]: Spent 27.20s on a formula simplification that was a NOOP. DAG size: 188 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:39:04,816 WARN L233 SmtUtils]: Spent 39.41s on a formula simplification. DAG size of input: 200 DAG size of output: 196 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:39:23,881 WARN L233 SmtUtils]: Spent 19.04s on a formula simplification that was a NOOP. DAG size: 188 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:40:36,496 WARN L233 SmtUtils]: Spent 1.21m on a formula simplification that was a NOOP. DAG size: 255 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:41:17,097 WARN L233 SmtUtils]: Spent 40.60s on a formula simplification that was a NOOP. DAG size: 232 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:42:30,845 WARN L233 SmtUtils]: Spent 1.23m on a formula simplification that was a NOOP. DAG size: 255 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:42:55,121 WARN L233 SmtUtils]: Spent 24.27s on a formula simplification that was a NOOP. DAG size: 232 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:44:01,880 WARN L233 SmtUtils]: Spent 1.11m on a formula simplification that was a NOOP. DAG size: 302 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:45:04,092 WARN L233 SmtUtils]: Spent 1.04m on a formula simplification that was a NOOP. DAG size: 294 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:46:14,670 WARN L233 SmtUtils]: Spent 1.18m on a formula simplification that was a NOOP. DAG size: 305 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:47:29,470 WARN L233 SmtUtils]: Spent 1.25m on a formula simplification that was a NOOP. DAG size: 297 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:48:41,123 WARN L233 SmtUtils]: Spent 1.19m on a formula simplification that was a NOOP. DAG size: 345 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:49:44,079 WARN L233 SmtUtils]: Spent 1.05m on a formula simplification that was a NOOP. DAG size: 331 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)