./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 5e519f3a 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_200f9805-51e9-4ddc-b3d6-f9adc5a154e0/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f9805-51e9-4ddc-b3d6-f9adc5a154e0/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_200f9805-51e9-4ddc-b3d6-f9adc5a154e0/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f9805-51e9-4ddc-b3d6-f9adc5a154e0/bin/utaipan-7li7fVZpFI/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_200f9805-51e9-4ddc-b3d6-f9adc5a154e0/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_200f9805-51e9-4ddc-b3d6-f9adc5a154e0/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 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-5e519f3 [2022-11-03 04:10:17,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 04:10:17,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 04:10:17,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 04:10:17,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 04:10:17,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 04:10:17,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 04:10:17,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 04:10:17,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 04:10:17,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 04:10:17,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 04:10:17,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 04:10:17,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 04:10:17,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 04:10:17,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 04:10:17,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 04:10:17,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 04:10:17,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 04:10:17,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 04:10:17,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 04:10:17,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 04:10:17,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 04:10:17,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 04:10:17,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 04:10:17,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 04:10:17,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 04:10:17,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 04:10:17,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 04:10:17,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 04:10:17,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 04:10:17,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 04:10:17,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 04:10:17,502 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 04:10:17,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 04:10:17,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 04:10:17,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 04:10:17,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 04:10:17,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 04:10:17,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 04:10:17,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 04:10:17,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 04:10:17,508 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f9805-51e9-4ddc-b3d6-f9adc5a154e0/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 04:10:17,549 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 04:10:17,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 04:10:17,550 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 04:10:17,550 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 04:10:17,551 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 04:10:17,551 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 04:10:17,551 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 04:10:17,552 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 04:10:17,552 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 04:10:17,552 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 04:10:17,553 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 04:10:17,554 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 04:10:17,554 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 04:10:17,554 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 04:10:17,554 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 04:10:17,555 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 04:10:17,555 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 04:10:17,555 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 04:10:17,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 04:10:17,556 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 04:10:17,557 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 04:10:17,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 04:10:17,557 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 04:10:17,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 04:10:17,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 04:10:17,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 04:10:17,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 04:10:17,558 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 04:10:17,559 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 04:10:17,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 04:10:17,559 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 04:10:17,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 04:10:17,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 04:10:17,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 04:10:17,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:10:17,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 04:10:17,561 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 04:10:17,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 04:10:17,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 04:10:17,562 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 04:10:17,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 04:10:17,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 04:10:17,562 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 04:10:17,563 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_200f9805-51e9-4ddc-b3d6-f9adc5a154e0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f9805-51e9-4ddc-b3d6-f9adc5a154e0/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ffb6ed4cf93a465c15dff37fbdc82f2f1bfe68c16d8d908373acd9cd0f46e43 [2022-11-03 04:10:17,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 04:10:17,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 04:10:17,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 04:10:17,918 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 04:10:17,919 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 04:10:17,920 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f9805-51e9-4ddc-b3d6-f9adc5a154e0/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/goblint-regression/09-regions_20-arrayloop2_rc.i [2022-11-03 04:10:18,002 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f9805-51e9-4ddc-b3d6-f9adc5a154e0/bin/utaipan-7li7fVZpFI/data/d76fbe0c1/fa732ee649b84f1cb3a932b710320c04/FLAG8cf4ab042 [2022-11-03 04:10:18,632 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 04:10:18,636 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f9805-51e9-4ddc-b3d6-f9adc5a154e0/sv-benchmarks/c/goblint-regression/09-regions_20-arrayloop2_rc.i [2022-11-03 04:10:18,658 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f9805-51e9-4ddc-b3d6-f9adc5a154e0/bin/utaipan-7li7fVZpFI/data/d76fbe0c1/fa732ee649b84f1cb3a932b710320c04/FLAG8cf4ab042 [2022-11-03 04:10:18,856 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f9805-51e9-4ddc-b3d6-f9adc5a154e0/bin/utaipan-7li7fVZpFI/data/d76fbe0c1/fa732ee649b84f1cb3a932b710320c04 [2022-11-03 04:10:18,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 04:10:18,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 04:10:18,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 04:10:18,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 04:10:18,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 04:10:18,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:10:18" (1/1) ... [2022-11-03 04:10:18,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68692b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:18, skipping insertion in model container [2022-11-03 04:10:18,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:10:18" (1/1) ... [2022-11-03 04:10:18,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 04:10:18,946 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 04:10:19,516 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 04:10:19,517 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 04:10:19,518 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 04:10:19,519 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 04:10:19,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:10:19,560 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 04:10:19,602 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 04:10:19,604 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 04:10:19,604 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 04:10:19,605 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 04:10:19,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:10:19,694 INFO L208 MainTranslator]: Completed translation [2022-11-03 04:10:19,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:19 WrapperNode [2022-11-03 04:10:19,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 04:10:19,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 04:10:19,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 04:10:19,697 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 04:10:19,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:19" (1/1) ... [2022-11-03 04:10:19,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:19" (1/1) ... [2022-11-03 04:10:19,810 INFO L138 Inliner]: procedures = 272, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 269 [2022-11-03 04:10:19,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 04:10:19,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 04:10:19,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 04:10:19,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 04:10:19,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:19" (1/1) ... [2022-11-03 04:10:19,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:19" (1/1) ... [2022-11-03 04:10:19,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:19" (1/1) ... [2022-11-03 04:10:19,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:19" (1/1) ... [2022-11-03 04:10:19,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:19" (1/1) ... [2022-11-03 04:10:19,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:19" (1/1) ... [2022-11-03 04:10:19,903 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:19" (1/1) ... [2022-11-03 04:10:19,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:19" (1/1) ... [2022-11-03 04:10:19,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 04:10:19,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 04:10:19,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 04:10:19,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 04:10:19,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:19" (1/1) ... [2022-11-03 04:10:19,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:10:19,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f9805-51e9-4ddc-b3d6-f9adc5a154e0/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:10:19,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f9805-51e9-4ddc-b3d6-f9adc5a154e0/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 04:10:19,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f9805-51e9-4ddc-b3d6-f9adc5a154e0/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 04:10:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-11-03 04:10:19,980 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-11-03 04:10:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure g [2022-11-03 04:10:19,980 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2022-11-03 04:10:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 04:10:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 04:10:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 04:10:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 04:10:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 04:10:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-03 04:10:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 04:10:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 04:10:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 04:10:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 04:10:19,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 04:10:19,984 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 04:10:20,194 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 04:10:20,196 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 04:10:20,986 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 04:10:20,999 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 04:10:20,999 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-03 04:10:21,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:10:21 BoogieIcfgContainer [2022-11-03 04:10:21,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 04:10:21,004 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 04:10:21,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 04:10:21,012 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 04:10:21,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:10:18" (1/3) ... [2022-11-03 04:10:21,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e9be138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:10:21, skipping insertion in model container [2022-11-03 04:10:21,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:19" (2/3) ... [2022-11-03 04:10:21,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e9be138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:10:21, skipping insertion in model container [2022-11-03 04:10:21,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:10:21" (3/3) ... [2022-11-03 04:10:21,016 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_20-arrayloop2_rc.i [2022-11-03 04:10:21,025 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 04:10:21,035 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 04:10:21,035 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-11-03 04:10:21,036 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 04:10:21,191 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-03 04:10:21,244 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 04:10:21,262 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 298 places, 305 transitions, 620 flow [2022-11-03 04:10:21,266 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 298 places, 305 transitions, 620 flow [2022-11-03 04:10:21,268 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 298 places, 305 transitions, 620 flow [2022-11-03 04:10:21,440 INFO L130 PetriNetUnfolder]: 14/303 cut-off events. [2022-11-03 04:10:21,440 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-03 04:10:21,455 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. [2022-11-03 04:10:21,464 INFO L118 LiptonReduction]: Number of co-enabled transitions 12784 [2022-11-03 04:11:15,987 WARN L234 SmtUtils]: Spent 13.53s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 04:11:24,222 WARN L234 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 119 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 04:11:40,628 WARN L234 SmtUtils]: Spent 16.40s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 04:11:49,686 WARN L234 SmtUtils]: Spent 9.06s on a formula simplification that was a NOOP. DAG size: 119 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 04:12:48,838 WARN L234 SmtUtils]: Spent 51.82s on a formula simplification that was a NOOP. DAG size: 179 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 04:13:25,635 WARN L234 SmtUtils]: Spent 36.80s on a formula simplification that was a NOOP. DAG size: 169 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 04:14:15,933 WARN L234 SmtUtils]: Spent 50.30s on a formula simplification that was a NOOP. DAG size: 179 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 04:14:58,360 WARN L234 SmtUtils]: Spent 42.42s on a formula simplification that was a NOOP. DAG size: 169 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 04:19:07,002 WARN L234 SmtUtils]: Spent 4.14m on a formula simplification. DAG size of input: 266 DAG size of output: 260 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 04:20:56,053 WARN L234 SmtUtils]: Spent 1.82m 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) [2022-11-03 04:25:24,895 WARN L234 SmtUtils]: Spent 4.48m on a formula simplification. DAG size of input: 266 DAG size of output: 260 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)