./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c80570-4253-4cab-a8ff-179bf01513bc/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c80570-4253-4cab-a8ff-179bf01513bc/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c80570-4253-4cab-a8ff-179bf01513bc/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c80570-4253-4cab-a8ff-179bf01513bc/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c80570-4253-4cab-a8ff-179bf01513bc/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c80570-4253-4cab-a8ff-179bf01513bc/bin/utaipan-I9t0OCRTmS --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 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e --- 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-8393723 [2022-11-19 07:26:00,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:26:00,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:26:00,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:26:00,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:26:00,475 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:26:00,482 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:26:00,485 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:26:00,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:26:00,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:26:00,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:26:00,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:26:00,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:26:00,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:26:00,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:26:00,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:26:00,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:26:00,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:26:00,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:26:00,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:26:00,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:26:00,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:26:00,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:26:00,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:26:00,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:26:00,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:26:00,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:26:00,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:26:00,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:26:00,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:26:00,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:26:00,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:26:00,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:26:00,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:26:00,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:26:00,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:26:00,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:26:00,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:26:00,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:26:00,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:26:00,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:26:00,547 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c80570-4253-4cab-a8ff-179bf01513bc/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 07:26:00,583 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:26:00,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:26:00,583 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:26:00,584 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:26:00,584 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:26:00,584 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:26:00,585 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:26:00,585 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:26:00,585 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:26:00,585 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:26:00,586 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:26:00,586 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:26:00,586 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:26:00,586 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:26:00,586 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:26:00,587 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:26:00,587 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:26:00,587 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:26:00,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:26:00,588 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:26:00,588 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:26:00,589 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:26:00,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:26:00,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:26:00,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:26:00,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:26:00,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:26:00,590 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 07:26:00,590 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:26:00,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:26:00,591 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:26:00,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:26:00,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:26:00,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:26:00,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:26:00,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:26:00,592 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:26:00,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:26:00,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:26:00,593 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:26:00,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:26:00,593 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:26:00,593 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:26:00,594 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_27c80570-4253-4cab-a8ff-179bf01513bc/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c80570-4253-4cab-a8ff-179bf01513bc/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e [2022-11-19 07:26:00,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:26:00,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:26:00,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:26:00,872 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:26:00,873 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:26:00,874 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c80570-4253-4cab-a8ff-179bf01513bc/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2022-11-19 07:26:00,954 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c80570-4253-4cab-a8ff-179bf01513bc/bin/utaipan-I9t0OCRTmS/data/fd4eb5227/4b98e3c679b04969ad40df619172adfd/FLAG64b5fbe8b [2022-11-19 07:26:01,480 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:26:01,481 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c80570-4253-4cab-a8ff-179bf01513bc/sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2022-11-19 07:26:01,498 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c80570-4253-4cab-a8ff-179bf01513bc/bin/utaipan-I9t0OCRTmS/data/fd4eb5227/4b98e3c679b04969ad40df619172adfd/FLAG64b5fbe8b [2022-11-19 07:26:01,754 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c80570-4253-4cab-a8ff-179bf01513bc/bin/utaipan-I9t0OCRTmS/data/fd4eb5227/4b98e3c679b04969ad40df619172adfd [2022-11-19 07:26:01,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:26:01,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:26:01,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:26:01,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:26:01,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:26:01,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:26:01" (1/1) ... [2022-11-19 07:26:01,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2893232a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:26:01, skipping insertion in model container [2022-11-19 07:26:01,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:26:01" (1/1) ... [2022-11-19 07:26:01,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:26:01,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:26:02,302 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-19 07:26:02,303 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-19 07:26:02,304 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-19 07:26:02,305 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-19 07:26:02,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:26:02,340 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:26:02,411 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-19 07:26:02,412 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-19 07:26:02,413 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-19 07:26:02,414 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-19 07:26:02,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:26:02,503 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:26:02,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:26:02 WrapperNode [2022-11-19 07:26:02,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:26:02,505 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:26:02,505 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:26:02,505 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:26:02,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:26:02" (1/1) ... [2022-11-19 07:26:02,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:26:02" (1/1) ... [2022-11-19 07:26:02,598 INFO L138 Inliner]: procedures = 271, calls = 32, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 207 [2022-11-19 07:26:02,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:26:02,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:26:02,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:26:02,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:26:02,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:26:02" (1/1) ... [2022-11-19 07:26:02,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:26:02" (1/1) ... [2022-11-19 07:26:02,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:26:02" (1/1) ... [2022-11-19 07:26:02,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:26:02" (1/1) ... [2022-11-19 07:26:02,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:26:02" (1/1) ... [2022-11-19 07:26:02,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:26:02" (1/1) ... [2022-11-19 07:26:02,663 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:26:02" (1/1) ... [2022-11-19 07:26:02,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:26:02" (1/1) ... [2022-11-19 07:26:02,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:26:02,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:26:02,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:26:02,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:26:02,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:26:02" (1/1) ... [2022-11-19 07:26:02,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:26:02,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c80570-4253-4cab-a8ff-179bf01513bc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:26:02,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c80570-4253-4cab-a8ff-179bf01513bc/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:26:02,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c80570-4253-4cab-a8ff-179bf01513bc/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:26:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-11-19 07:26:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-11-19 07:26:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:26:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:26:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:26:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:26:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:26:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-19 07:26:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:26:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:26:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:26:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:26:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:26:02,788 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 07:26:02,957 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:26:02,959 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:26:03,549 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:26:03,559 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:26:03,560 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-19 07:26:03,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:26:03 BoogieIcfgContainer [2022-11-19 07:26:03,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:26:03,565 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:26:03,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:26:03,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:26:03,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:26:01" (1/3) ... [2022-11-19 07:26:03,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c97ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:26:03, skipping insertion in model container [2022-11-19 07:26:03,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:26:02" (2/3) ... [2022-11-19 07:26:03,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c97ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:26:03, skipping insertion in model container [2022-11-19 07:26:03,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:26:03" (3/3) ... [2022-11-19 07:26:03,573 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_21-arrayloop2_nr.i [2022-11-19 07:26:03,582 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 07:26:03,592 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:26:03,593 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-11-19 07:26:03,593 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 07:26:03,730 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-19 07:26:03,770 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 07:26:03,786 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 298 places, 305 transitions, 620 flow [2022-11-19 07:26:03,789 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 298 places, 305 transitions, 620 flow [2022-11-19 07:26:03,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 298 places, 305 transitions, 620 flow [2022-11-19 07:26:03,945 INFO L130 PetriNetUnfolder]: 14/303 cut-off events. [2022-11-19 07:26:03,945 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-19 07:26:03,954 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 587 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. [2022-11-19 07:26:03,962 INFO L119 LiptonReduction]: Number of co-enabled transitions 12784 [2022-11-19 07:26:57,257 WARN L233 SmtUtils]: Spent 6.85s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:27:03,453 WARN L233 SmtUtils]: Spent 6.19s on a formula simplification that was a NOOP. DAG size: 132 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:27:09,779 WARN L233 SmtUtils]: Spent 6.32s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:27:15,891 WARN L233 SmtUtils]: Spent 6.11s on a formula simplification that was a NOOP. DAG size: 132 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:28:16,588 WARN L233 SmtUtils]: Spent 58.95s on a formula simplification. DAG size of input: 179 DAG size of output: 173 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:28:41,953 WARN L233 SmtUtils]: Spent 25.36s on a formula simplification that was a NOOP. DAG size: 165 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:29:55,447 WARN L233 SmtUtils]: Spent 1.22m on a formula simplification. DAG size of input: 179 DAG size of output: 173 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:30:29,250 WARN L233 SmtUtils]: Spent 33.80s on a formula simplification that was a NOOP. DAG size: 165 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:32:12,844 WARN L233 SmtUtils]: Spent 1.73m on a formula simplification that was a NOOP. DAG size: 220 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:33:31,526 WARN L233 SmtUtils]: Spent 1.31m on a formula simplification that was a NOOP. DAG size: 216 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:35:13,972 WARN L233 SmtUtils]: Spent 1.71m on a formula simplification that was a NOOP. DAG size: 220 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:36:44,123 WARN L233 SmtUtils]: Spent 1.50m on a formula simplification that was a NOOP. DAG size: 216 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:39:02,091 WARN L233 SmtUtils]: Spent 2.30m on a formula simplification that was a NOOP. DAG size: 268 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:41:04,107 WARN L233 SmtUtils]: Spent 2.03m on a formula simplification that was a NOOP. DAG size: 252 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)