./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b 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_6b998eb9-3e17-4128-9171-972eedb292dd/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b998eb9-3e17-4128-9171-972eedb292dd/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_6b998eb9-3e17-4128-9171-972eedb292dd/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b998eb9-3e17-4128-9171-972eedb292dd/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b998eb9-3e17-4128-9171-972eedb292dd/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_6b998eb9-3e17-4128-9171-972eedb292dd/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 f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af --- 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 08:21:46,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:21:46,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:21:46,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:21:46,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:21:46,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:21:46,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:21:46,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:21:46,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:21:46,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:21:46,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:21:46,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:21:46,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:21:46,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:21:46,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:21:46,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:21:46,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:21:46,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:21:46,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:21:46,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:21:46,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:21:46,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:21:46,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:21:46,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:21:46,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:21:46,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:21:46,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:21:46,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:21:46,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:21:46,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:21:46,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:21:46,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:21:46,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:21:46,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:21:46,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:21:46,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:21:46,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:21:46,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:21:46,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:21:46,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:21:46,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:21:46,323 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b998eb9-3e17-4128-9171-972eedb292dd/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 08:21:46,367 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:21:46,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:21:46,368 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:21:46,368 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:21:46,369 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:21:46,370 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:21:46,370 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:21:46,370 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:21:46,370 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:21:46,371 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:21:46,372 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:21:46,372 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:21:46,372 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:21:46,373 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:21:46,373 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:21:46,373 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:21:46,373 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:21:46,374 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:21:46,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:21:46,375 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:21:46,375 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:21:46,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:21:46,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:21:46,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:21:46,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:21:46,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:21:46,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:21:46,376 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 08:21:46,377 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:21:46,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:21:46,377 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:21:46,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:21:46,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:21:46,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:21:46,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:21:46,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:21:46,379 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:21:46,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:21:46,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:21:46,380 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:21:46,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:21:46,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:21:46,380 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:21:46,381 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_6b998eb9-3e17-4128-9171-972eedb292dd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b998eb9-3e17-4128-9171-972eedb292dd/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af [2022-11-19 08:21:46,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:21:46,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:21:46,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:21:46,710 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:21:46,711 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:21:46,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b998eb9-3e17-4128-9171-972eedb292dd/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2022-11-19 08:21:46,794 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b998eb9-3e17-4128-9171-972eedb292dd/bin/utaipan-I9t0OCRTmS/data/9516bb3b4/29fd8dff6ede4a5fb54b36b6420931ca/FLAGbbbf779c3 [2022-11-19 08:21:47,523 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:21:47,524 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b998eb9-3e17-4128-9171-972eedb292dd/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2022-11-19 08:21:47,541 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b998eb9-3e17-4128-9171-972eedb292dd/bin/utaipan-I9t0OCRTmS/data/9516bb3b4/29fd8dff6ede4a5fb54b36b6420931ca/FLAGbbbf779c3 [2022-11-19 08:21:47,740 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b998eb9-3e17-4128-9171-972eedb292dd/bin/utaipan-I9t0OCRTmS/data/9516bb3b4/29fd8dff6ede4a5fb54b36b6420931ca [2022-11-19 08:21:47,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:21:47,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:21:47,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:21:47,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:21:47,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:21:47,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:21:47" (1/1) ... [2022-11-19 08:21:47,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25ce0976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:47, skipping insertion in model container [2022-11-19 08:21:47,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:21:47" (1/1) ... [2022-11-19 08:21:47,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:21:47,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:21:48,517 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b998eb9-3e17-4128-9171-972eedb292dd/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i[47038,47051] [2022-11-19 08:21:48,552 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-19 08:21:48,554 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-19 08:21:48,557 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-19 08:21:48,559 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-19 08:21:48,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:21:48,659 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:21:48,704 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b998eb9-3e17-4128-9171-972eedb292dd/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i[47038,47051] [2022-11-19 08:21:48,709 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-19 08:21:48,711 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-19 08:21:48,714 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-19 08:21:48,715 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-19 08:21:48,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:21:48,825 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:21:48,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:48 WrapperNode [2022-11-19 08:21:48,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:21:48,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:21:48,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:21:48,828 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:21:48,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:48" (1/1) ... [2022-11-19 08:21:48,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:48" (1/1) ... [2022-11-19 08:21:48,914 INFO L138 Inliner]: procedures = 278, calls = 64, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 456 [2022-11-19 08:21:48,915 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:21:48,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:21:48,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:21:48,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:21:48,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:48" (1/1) ... [2022-11-19 08:21:48,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:48" (1/1) ... [2022-11-19 08:21:48,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:48" (1/1) ... [2022-11-19 08:21:48,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:48" (1/1) ... [2022-11-19 08:21:48,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:48" (1/1) ... [2022-11-19 08:21:48,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:48" (1/1) ... [2022-11-19 08:21:48,982 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:48" (1/1) ... [2022-11-19 08:21:48,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:48" (1/1) ... [2022-11-19 08:21:48,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:21:48,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:21:48,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:21:48,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:21:48,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:48" (1/1) ... [2022-11-19 08:21:49,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:21:49,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b998eb9-3e17-4128-9171-972eedb292dd/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:21:49,033 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b998eb9-3e17-4128-9171-972eedb292dd/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:21:49,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b998eb9-3e17-4128-9171-972eedb292dd/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:21:49,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:21:49,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:21:49,084 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2022-11-19 08:21:49,084 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2022-11-19 08:21:49,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:21:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:21:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2022-11-19 08:21:49,085 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2022-11-19 08:21:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:21:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-19 08:21:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:21:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:21:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:21:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:21:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:21:49,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:21:49,089 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 08:21:49,387 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:21:49,389 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:21:50,208 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:21:50,226 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:21:50,227 INFO L300 CfgBuilder]: Removed 30 assume(true) statements. [2022-11-19 08:21:50,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:21:50 BoogieIcfgContainer [2022-11-19 08:21:50,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:21:50,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:21:50,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:21:50,239 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:21:50,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:21:47" (1/3) ... [2022-11-19 08:21:50,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d9e451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:21:50, skipping insertion in model container [2022-11-19 08:21:50,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:48" (2/3) ... [2022-11-19 08:21:50,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d9e451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:21:50, skipping insertion in model container [2022-11-19 08:21:50,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:21:50" (3/3) ... [2022-11-19 08:21:50,245 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_90-arrayloop2_racing.i [2022-11-19 08:21:50,255 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 08:21:50,267 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:21:50,267 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2022-11-19 08:21:50,268 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 08:21:50,468 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-19 08:21:50,527 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 08:21:50,548 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 457 places, 498 transitions, 1018 flow [2022-11-19 08:21:50,554 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 457 places, 498 transitions, 1018 flow [2022-11-19 08:21:50,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 457 places, 498 transitions, 1018 flow [2022-11-19 08:21:50,844 INFO L130 PetriNetUnfolder]: 77/775 cut-off events. [2022-11-19 08:21:50,844 INFO L131 PetriNetUnfolder]: For 8/12 co-relation queries the response was YES. [2022-11-19 08:21:50,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 795 conditions, 775 events. 77/775 cut-off events. For 8/12 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3840 event pairs, 0 based on Foata normal form. 0/653 useless extension candidates. Maximal degree in co-relation 404. Up to 8 conditions per place. [2022-11-19 08:21:50,890 INFO L119 LiptonReduction]: Number of co-enabled transitions 67804 [2022-11-19 08:23:46,814 WARN L233 SmtUtils]: Spent 48.46s on a formula simplification that was a NOOP. DAG size: 163 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:24:16,048 WARN L233 SmtUtils]: Spent 29.23s on a formula simplification that was a NOOP. DAG size: 153 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:24:50,354 WARN L233 SmtUtils]: Spent 34.30s on a formula simplification that was a NOOP. DAG size: 163 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:25:20,364 WARN L233 SmtUtils]: Spent 30.01s on a formula simplification that was a NOOP. DAG size: 153 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:29:47,449 WARN L233 SmtUtils]: Spent 4.45m on a formula simplification. DAG size of input: 234 DAG size of output: 228 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:31:40,923 WARN L233 SmtUtils]: Spent 1.89m 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 08:35:52,823 WARN L233 SmtUtils]: Spent 4.20m on a formula simplification. DAG size of input: 234 DAG size of output: 228 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)