./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 5e519f3a 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_5506de4c-d592-47e0-a50c-34755eecfcec/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5506de4c-d592-47e0-a50c-34755eecfcec/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5506de4c-d592-47e0-a50c-34755eecfcec/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5506de4c-d592-47e0-a50c-34755eecfcec/bin/utaipan-7li7fVZpFI/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_5506de4c-d592-47e0-a50c-34755eecfcec/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5506de4c-d592-47e0-a50c-34755eecfcec/bin/utaipan-7li7fVZpFI --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-5e519f3 [2022-11-03 02:16:17,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:16:17,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:16:17,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:16:17,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:16:17,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:16:17,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:16:17,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:16:17,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:16:17,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:16:17,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:16:17,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:16:17,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:16:17,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:16:17,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:16:17,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:16:17,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:16:17,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:16:17,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:16:17,517 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:16:17,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:16:17,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:16:17,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:16:17,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:16:17,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:16:17,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:16:17,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:16:17,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:16:17,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:16:17,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:16:17,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:16:17,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:16:17,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:16:17,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:16:17,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:16:17,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:16:17,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:16:17,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:16:17,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:16:17,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:16:17,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:16:17,547 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5506de4c-d592-47e0-a50c-34755eecfcec/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 02:16:17,577 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:16:17,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:16:17,578 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:16:17,578 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:16:17,579 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:16:17,580 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:16:17,580 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:16:17,580 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:16:17,581 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:16:17,581 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:16:17,581 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:16:17,582 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:16:17,582 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:16:17,582 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:16:17,583 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:16:17,583 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:16:17,584 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:16:17,584 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:16:17,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:16:17,586 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:16:17,586 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:16:17,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:16:17,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:16:17,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:16:17,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:16:17,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:16:17,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:16:17,588 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 02:16:17,589 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:16:17,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:16:17,589 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:16:17,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:16:17,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:16:17,590 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:16:17,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:16:17,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:16:17,592 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:16:17,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:16:17,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:16:17,593 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:16:17,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:16:17,593 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:16:17,594 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:16:17,594 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_5506de4c-d592-47e0-a50c-34755eecfcec/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5506de4c-d592-47e0-a50c-34755eecfcec/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e [2022-11-03 02:16:18,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:16:18,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:16:18,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:16:18,077 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:16:18,078 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:16:18,080 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5506de4c-d592-47e0-a50c-34755eecfcec/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2022-11-03 02:16:18,170 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5506de4c-d592-47e0-a50c-34755eecfcec/bin/utaipan-7li7fVZpFI/data/f9921cf2a/977de1990c534fc1b5ca991708344abb/FLAG831b1e3be [2022-11-03 02:16:18,957 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:16:18,958 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5506de4c-d592-47e0-a50c-34755eecfcec/sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2022-11-03 02:16:18,983 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5506de4c-d592-47e0-a50c-34755eecfcec/bin/utaipan-7li7fVZpFI/data/f9921cf2a/977de1990c534fc1b5ca991708344abb/FLAG831b1e3be [2022-11-03 02:16:19,140 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5506de4c-d592-47e0-a50c-34755eecfcec/bin/utaipan-7li7fVZpFI/data/f9921cf2a/977de1990c534fc1b5ca991708344abb [2022-11-03 02:16:19,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:16:19,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:16:19,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:16:19,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:16:19,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:16:19,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:16:19" (1/1) ... [2022-11-03 02:16:19,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14f2d17f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:19, skipping insertion in model container [2022-11-03 02:16:19,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:16:19" (1/1) ... [2022-11-03 02:16:19,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:16:19,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:16:19,947 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 02:16:19,950 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 02:16:19,954 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 02:16:19,959 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 02:16:20,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:16:20,044 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:16:20,113 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 02:16:20,114 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 02:16:20,115 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 02:16:20,116 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 02:16:20,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:16:20,226 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:16:20,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:20 WrapperNode [2022-11-03 02:16:20,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:16:20,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:16:20,230 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:16:20,230 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:16:20,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:20" (1/1) ... [2022-11-03 02:16:20,291 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:20" (1/1) ... [2022-11-03 02:16:20,347 INFO L138 Inliner]: procedures = 271, calls = 32, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 207 [2022-11-03 02:16:20,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:16:20,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:16:20,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:16:20,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:16:20,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:20" (1/1) ... [2022-11-03 02:16:20,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:20" (1/1) ... [2022-11-03 02:16:20,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:20" (1/1) ... [2022-11-03 02:16:20,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:20" (1/1) ... [2022-11-03 02:16:20,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:20" (1/1) ... [2022-11-03 02:16:20,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:20" (1/1) ... [2022-11-03 02:16:20,426 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:20" (1/1) ... [2022-11-03 02:16:20,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:20" (1/1) ... [2022-11-03 02:16:20,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:16:20,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:16:20,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:16:20,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:16:20,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:20" (1/1) ... [2022-11-03 02:16:20,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:16:20,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5506de4c-d592-47e0-a50c-34755eecfcec/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:16:20,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5506de4c-d592-47e0-a50c-34755eecfcec/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:16:20,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5506de4c-d592-47e0-a50c-34755eecfcec/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:16:20,558 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-11-03 02:16:20,558 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-11-03 02:16:20,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:16:20,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:16:20,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:16:20,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:16:20,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:16:20,559 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-03 02:16:20,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:16:20,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:16:20,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:16:20,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:16:20,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:16:20,562 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 02:16:20,806 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:16:20,809 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:16:21,490 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:16:21,502 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:16:21,502 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-03 02:16:21,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:16:21 BoogieIcfgContainer [2022-11-03 02:16:21,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:16:21,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:16:21,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:16:21,513 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:16:21,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:16:19" (1/3) ... [2022-11-03 02:16:21,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b0d4db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:16:21, skipping insertion in model container [2022-11-03 02:16:21,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:20" (2/3) ... [2022-11-03 02:16:21,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b0d4db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:16:21, skipping insertion in model container [2022-11-03 02:16:21,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:16:21" (3/3) ... [2022-11-03 02:16:21,517 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_21-arrayloop2_nr.i [2022-11-03 02:16:21,528 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 02:16:21,542 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:16:21,543 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-11-03 02:16:21,543 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 02:16:21,739 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-03 02:16:21,791 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 02:16:21,809 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 298 places, 305 transitions, 620 flow [2022-11-03 02:16:21,812 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 298 places, 305 transitions, 620 flow [2022-11-03 02:16:21,814 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 298 places, 305 transitions, 620 flow [2022-11-03 02:16:21,950 INFO L130 PetriNetUnfolder]: 14/303 cut-off events. [2022-11-03 02:16:21,950 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-03 02:16:21,958 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 591 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. [2022-11-03 02:16:21,967 INFO L118 LiptonReduction]: Number of co-enabled transitions 12784 [2022-11-03 02:17:19,448 WARN L234 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 102 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:17:34,117 WARN L234 SmtUtils]: Spent 7.32s on a formula simplification that was a NOOP. DAG size: 134 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:17:41,767 WARN L234 SmtUtils]: Spent 7.65s on a formula simplification that was a NOOP. DAG size: 130 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:17:49,598 WARN L234 SmtUtils]: Spent 7.83s on a formula simplification that was a NOOP. DAG size: 134 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:17:56,129 WARN L234 SmtUtils]: Spent 6.53s on a formula simplification that was a NOOP. DAG size: 130 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:18:11,794 WARN L234 SmtUtils]: Spent 15.64s on a formula simplification that was a NOOP. DAG size: 195 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:18:27,607 WARN L234 SmtUtils]: Spent 15.81s on a formula simplification that was a NOOP. DAG size: 189 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:18:44,653 WARN L234 SmtUtils]: Spent 17.04s on a formula simplification that was a NOOP. DAG size: 195 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:19:02,976 WARN L234 SmtUtils]: Spent 18.32s on a formula simplification that was a NOOP. DAG size: 189 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:19:16,229 WARN L234 SmtUtils]: Spent 13.24s on a formula simplification. DAG size of input: 111 DAG size of output: 108 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:19:36,609 WARN L234 SmtUtils]: Spent 15.49s on a formula simplification. DAG size of input: 111 DAG size of output: 108 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:19:42,185 WARN L234 SmtUtils]: Spent 5.57s on a formula simplification that was a NOOP. DAG size: 104 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:25:24,724 WARN L234 SmtUtils]: Spent 5.70m on a formula simplification. DAG size of input: 268 DAG size of output: 264 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:27:41,644 WARN L234 SmtUtils]: Spent 2.28m 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)