./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_20-arrayloop2_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 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_5dc12375-9131-4bd9-9931-b6948d4e0ebb/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc12375-9131-4bd9-9931-b6948d4e0ebb/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc12375-9131-4bd9-9931-b6948d4e0ebb/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc12375-9131-4bd9-9931-b6948d4e0ebb/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_20-arrayloop2_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc12375-9131-4bd9-9931-b6948d4e0ebb/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc12375-9131-4bd9-9931-b6948d4e0ebb/bin/utaipan-g80aRyZoba --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 8ffb6ed4cf93a465c15dff37fbdc82f2f1bfe68c16d8d908373acd9cd0f46e43 --- 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-b5237d8 [2022-11-22 00:10:59,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:10:59,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:10:59,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:10:59,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:10:59,530 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:10:59,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:10:59,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:10:59,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:10:59,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:10:59,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:10:59,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:10:59,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:10:59,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:10:59,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:10:59,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:10:59,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:10:59,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:10:59,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:10:59,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:10:59,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:10:59,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:10:59,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:10:59,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:10:59,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:10:59,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:10:59,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:10:59,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:10:59,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:10:59,593 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:10:59,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:10:59,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:10:59,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:10:59,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:10:59,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:10:59,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:10:59,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:10:59,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:10:59,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:10:59,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:10:59,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:10:59,608 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc12375-9131-4bd9-9931-b6948d4e0ebb/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-22 00:10:59,647 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:10:59,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:10:59,648 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:10:59,649 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:10:59,649 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:10:59,650 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:10:59,650 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:10:59,650 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:10:59,650 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:10:59,651 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:10:59,652 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:10:59,652 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:10:59,652 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:10:59,652 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:10:59,653 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:10:59,653 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:10:59,653 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:10:59,653 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:10:59,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:10:59,654 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 00:10:59,655 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 00:10:59,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:10:59,655 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 00:10:59,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:10:59,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:10:59,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:10:59,657 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:10:59,657 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-22 00:10:59,657 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 00:10:59,657 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:10:59,658 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:10:59,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:10:59,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:10:59,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:10:59,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:10:59,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:10:59,659 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:10:59,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:10:59,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:10:59,661 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:10:59,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:10:59,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:10:59,661 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:10:59,662 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_5dc12375-9131-4bd9-9931-b6948d4e0ebb/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc12375-9131-4bd9-9931-b6948d4e0ebb/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ffb6ed4cf93a465c15dff37fbdc82f2f1bfe68c16d8d908373acd9cd0f46e43 [2022-11-22 00:11:00,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:11:00,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:11:00,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:11:00,053 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:11:00,054 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:11:00,055 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc12375-9131-4bd9-9931-b6948d4e0ebb/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/goblint-regression/09-regions_20-arrayloop2_rc.i [2022-11-22 00:11:03,200 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:11:03,513 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:11:03,518 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc12375-9131-4bd9-9931-b6948d4e0ebb/sv-benchmarks/c/goblint-regression/09-regions_20-arrayloop2_rc.i [2022-11-22 00:11:03,539 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc12375-9131-4bd9-9931-b6948d4e0ebb/bin/utaipan-g80aRyZoba/data/093edc801/eec31f88516e4b74bb3278d52605b618/FLAGb1b96552a [2022-11-22 00:11:03,561 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc12375-9131-4bd9-9931-b6948d4e0ebb/bin/utaipan-g80aRyZoba/data/093edc801/eec31f88516e4b74bb3278d52605b618 [2022-11-22 00:11:03,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:11:03,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:11:03,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:11:03,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:11:03,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:11:03,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:11:03" (1/1) ... [2022-11-22 00:11:03,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43dbca19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:03, skipping insertion in model container [2022-11-22 00:11:03,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:11:03" (1/1) ... [2022-11-22 00:11:03,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:11:03,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:11:04,267 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 00:11:04,271 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 00:11:04,273 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 00:11:04,275 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 00:11:04,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:11:04,340 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:11:04,395 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 00:11:04,396 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 00:11:04,415 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 00:11:04,416 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 00:11:04,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:11:04,506 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:11:04,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:04 WrapperNode [2022-11-22 00:11:04,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:11:04,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:11:04,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:11:04,508 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:11:04,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:04" (1/1) ... [2022-11-22 00:11:04,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:04" (1/1) ... [2022-11-22 00:11:04,603 INFO L138 Inliner]: procedures = 272, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 269 [2022-11-22 00:11:04,603 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:11:04,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:11:04,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:11:04,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:11:04,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:04" (1/1) ... [2022-11-22 00:11:04,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:04" (1/1) ... [2022-11-22 00:11:04,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:04" (1/1) ... [2022-11-22 00:11:04,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:04" (1/1) ... [2022-11-22 00:11:04,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:04" (1/1) ... [2022-11-22 00:11:04,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:04" (1/1) ... [2022-11-22 00:11:04,690 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:04" (1/1) ... [2022-11-22 00:11:04,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:04" (1/1) ... [2022-11-22 00:11:04,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:11:04,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:11:04,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:11:04,711 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:11:04,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:04" (1/1) ... [2022-11-22 00:11:04,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:11:04,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc12375-9131-4bd9-9931-b6948d4e0ebb/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:11:04,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc12375-9131-4bd9-9931-b6948d4e0ebb/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:11:04,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc12375-9131-4bd9-9931-b6948d4e0ebb/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:11:04,795 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-11-22 00:11:04,795 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-11-22 00:11:04,795 INFO L130 BoogieDeclarations]: Found specification of procedure g [2022-11-22 00:11:04,795 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2022-11-22 00:11:04,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 00:11:04,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 00:11:04,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 00:11:04,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 00:11:04,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 00:11:04,796 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-22 00:11:04,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 00:11:04,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:11:04,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 00:11:04,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:11:04,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:11:04,839 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-22 00:11:05,007 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:11:05,010 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:11:05,763 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:11:05,773 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:11:05,773 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-22 00:11:05,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:11:05 BoogieIcfgContainer [2022-11-22 00:11:05,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:11:05,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:11:05,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:11:05,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:11:05,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:11:03" (1/3) ... [2022-11-22 00:11:05,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155e0d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:11:05, skipping insertion in model container [2022-11-22 00:11:05,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:04" (2/3) ... [2022-11-22 00:11:05,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155e0d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:11:05, skipping insertion in model container [2022-11-22 00:11:05,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:11:05" (3/3) ... [2022-11-22 00:11:05,784 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_20-arrayloop2_rc.i [2022-11-22 00:11:05,793 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-22 00:11:05,803 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:11:05,803 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-11-22 00:11:05,804 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 00:11:05,975 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-22 00:11:06,029 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 00:11:06,092 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 298 places, 305 transitions, 620 flow [2022-11-22 00:11:06,097 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 298 places, 305 transitions, 620 flow [2022-11-22 00:11:06,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 298 places, 305 transitions, 620 flow [2022-11-22 00:11:06,282 INFO L130 PetriNetUnfolder]: 14/303 cut-off events. [2022-11-22 00:11:06,282 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-22 00:11:06,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 303 events. 14/303 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 585 event pairs, 0 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 226. Up to 2 conditions per place. [2022-11-22 00:11:06,303 INFO L119 LiptonReduction]: Number of co-enabled transitions 12784 [2022-11-22 00:11:44,097 WARN L233 SmtUtils]: Spent 5.27s on a formula simplification that was a NOOP. DAG size: 125 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 00:11:53,839 WARN L233 SmtUtils]: Spent 5.44s on a formula simplification that was a NOOP. DAG size: 125 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 00:12:34,399 WARN L233 SmtUtils]: Spent 27.64s on a formula simplification that was a NOOP. DAG size: 159 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 00:12:54,779 WARN L233 SmtUtils]: Spent 20.38s on a formula simplification that was a NOOP. DAG size: 153 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 00:13:20,268 WARN L233 SmtUtils]: Spent 25.49s on a formula simplification that was a NOOP. DAG size: 159 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 00:13:42,421 WARN L233 SmtUtils]: Spent 22.15s on a formula simplification that was a NOOP. DAG size: 153 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 00:15:46,724 WARN L233 SmtUtils]: Spent 2.07m on a formula simplification that was a NOOP. DAG size: 239 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 00:17:47,589 WARN L233 SmtUtils]: Spent 2.01m on a formula simplification that was a NOOP. DAG size: 227 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 00:20:00,745 WARN L233 SmtUtils]: Spent 2.22m on a formula simplification that was a NOOP. DAG size: 239 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 00:22:03,483 WARN L233 SmtUtils]: Spent 2.05m on a formula simplification that was a NOOP. DAG size: 227 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)