./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fdaec32-2b4e-40f8-9885-1b29ff74ab3a/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fdaec32-2b4e-40f8-9885-1b29ff74ab3a/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fdaec32-2b4e-40f8-9885-1b29ff74ab3a/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fdaec32-2b4e-40f8-9885-1b29ff74ab3a/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fdaec32-2b4e-40f8-9885-1b29ff74ab3a/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fdaec32-2b4e-40f8-9885-1b29ff74ab3a/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1cd82b96c01a730247618eab1464d47c03eec9013c1d245312913e94981f2bce --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:33:55,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:33:55,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:33:55,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:33:55,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:33:55,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:33:55,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:33:55,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:33:55,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:33:55,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:33:55,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:33:55,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:33:55,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:33:55,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:33:55,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:33:55,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:33:55,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:33:55,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:33:55,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:33:55,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:33:55,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:33:55,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:33:55,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:33:55,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:33:55,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:33:55,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:33:55,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:33:55,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:33:55,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:33:55,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:33:55,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:33:55,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:33:55,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:33:55,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:33:55,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:33:55,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:33:55,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:33:55,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:33:55,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:33:55,310 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:33:55,311 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:33:55,312 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fdaec32-2b4e-40f8-9885-1b29ff74ab3a/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-22 01:33:55,333 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:33:55,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:33:55,334 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:33:55,334 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:33:55,335 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:33:55,335 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:33:55,335 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:33:55,336 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:33:55,336 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:33:55,336 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:33:55,336 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:33:55,337 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:33:55,337 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:33:55,337 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:33:55,337 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:33:55,337 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:33:55,338 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:33:55,338 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:33:55,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:33:55,339 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:33:55,339 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:33:55,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:33:55,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:33:55,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:33:55,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:33:55,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:33:55,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:33:55,340 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-22 01:33:55,341 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:33:55,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:33:55,341 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:33:55,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:33:55,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:33:55,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:33:55,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:33:55,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:33:55,342 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:33:55,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:33:55,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:33:55,343 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:33:55,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:33:55,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:33:55,344 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:33:55,344 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_3fdaec32-2b4e-40f8-9885-1b29ff74ab3a/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fdaec32-2b4e-40f8-9885-1b29ff74ab3a/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cd82b96c01a730247618eab1464d47c03eec9013c1d245312913e94981f2bce [2022-11-22 01:33:55,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:33:55,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:33:55,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:33:55,601 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:33:55,602 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:33:55,615 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fdaec32-2b4e-40f8-9885-1b29ff74ab3a/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2022-11-22 01:33:58,757 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:33:59,076 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:33:59,077 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fdaec32-2b4e-40f8-9885-1b29ff74ab3a/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2022-11-22 01:33:59,110 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fdaec32-2b4e-40f8-9885-1b29ff74ab3a/bin/utaipan-g80aRyZoba/data/61e2d9561/f6e38fda719048fb92c06f3d3485d2de/FLAGa4020e942 [2022-11-22 01:33:59,134 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fdaec32-2b4e-40f8-9885-1b29ff74ab3a/bin/utaipan-g80aRyZoba/data/61e2d9561/f6e38fda719048fb92c06f3d3485d2de [2022-11-22 01:33:59,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:33:59,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:33:59,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:33:59,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:33:59,152 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:33:59,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:33:59" (1/1) ... [2022-11-22 01:33:59,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5415630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:33:59, skipping insertion in model container [2022-11-22 01:33:59,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:33:59" (1/1) ... [2022-11-22 01:33:59,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:33:59,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:33:59,470 WARN L237 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_3fdaec32-2b4e-40f8-9885-1b29ff74ab3a/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i[1103,1116] [2022-11-22 01:33:59,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:33:59,978 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:33:59,992 WARN L237 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_3fdaec32-2b4e-40f8-9885-1b29ff74ab3a/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i[1103,1116] [2022-11-22 01:34:00,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:34:00,160 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:34:00,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:00 WrapperNode [2022-11-22 01:34:00,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:34:00,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:34:00,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:34:00,165 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:34:00,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:00" (1/1) ... [2022-11-22 01:34:00,197 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:00" (1/1) ... [2022-11-22 01:34:00,225 INFO L138 Inliner]: procedures = 354, calls = 38, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2022-11-22 01:34:00,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:34:00,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:34:00,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:34:00,227 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:34:00,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:00" (1/1) ... [2022-11-22 01:34:00,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:00" (1/1) ... [2022-11-22 01:34:00,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:00" (1/1) ... [2022-11-22 01:34:00,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:00" (1/1) ... [2022-11-22 01:34:00,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:00" (1/1) ... [2022-11-22 01:34:00,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:00" (1/1) ... [2022-11-22 01:34:00,262 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:00" (1/1) ... [2022-11-22 01:34:00,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:00" (1/1) ... [2022-11-22 01:34:00,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:34:00,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:34:00,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:34:00,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:34:00,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:00" (1/1) ... [2022-11-22 01:34:00,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:34:00,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fdaec32-2b4e-40f8-9885-1b29ff74ab3a/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:34:00,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fdaec32-2b4e-40f8-9885-1b29ff74ab3a/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:34:00,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fdaec32-2b4e-40f8-9885-1b29ff74ab3a/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:34:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-11-22 01:34:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2022-11-22 01:34:00,354 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2022-11-22 01:34:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-11-22 01:34:00,355 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-11-22 01:34:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:34:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:34:00,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:34:00,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:34:00,356 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-22 01:34:00,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:34:00,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:34:00,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:34:00,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:34:00,359 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-22 01:34:00,714 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:34:00,716 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:34:01,021 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:34:01,029 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:34:01,029 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 01:34:01,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:34:01 BoogieIcfgContainer [2022-11-22 01:34:01,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:34:01,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:34:01,035 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:34:01,038 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:34:01,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:33:59" (1/3) ... [2022-11-22 01:34:01,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21f0b0de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:34:01, skipping insertion in model container [2022-11-22 01:34:01,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:00" (2/3) ... [2022-11-22 01:34:01,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21f0b0de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:34:01, skipping insertion in model container [2022-11-22 01:34:01,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:34:01" (3/3) ... [2022-11-22 01:34:01,041 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2022-11-22 01:34:01,050 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-22 01:34:01,061 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:34:01,061 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-11-22 01:34:01,061 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 01:34:01,151 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-22 01:34:01,201 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 01:34:01,220 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 126 transitions, 268 flow [2022-11-22 01:34:01,225 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 132 places, 126 transitions, 268 flow [2022-11-22 01:34:01,227 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 132 places, 126 transitions, 268 flow [2022-11-22 01:34:01,319 INFO L130 PetriNetUnfolder]: 1/124 cut-off events. [2022-11-22 01:34:01,319 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-22 01:34:01,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 124 events. 1/124 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 113 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 68. Up to 2 conditions per place. [2022-11-22 01:34:01,329 INFO L119 LiptonReduction]: Number of co-enabled transitions 2914 [2022-11-22 01:34:06,683 INFO L134 LiptonReduction]: Checked pairs total: 9820 [2022-11-22 01:34:06,683 INFO L136 LiptonReduction]: Total number of compositions: 101 [2022-11-22 01:34:06,691 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 44 places, 38 transitions, 92 flow [2022-11-22 01:34:06,747 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 558 states, 532 states have (on average 2.648496240601504) internal successors, (1409), 557 states have internal predecessors, (1409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:06,766 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:34:06,773 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3e33a025, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:34:06,773 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-11-22 01:34:06,778 INFO L276 IsEmpty]: Start isEmpty. Operand has 558 states, 532 states have (on average 2.648496240601504) internal successors, (1409), 557 states have internal predecessors, (1409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:06,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 01:34:06,783 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:06,784 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 01:34:06,785 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-11-22 01:34:06,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:06,790 INFO L85 PathProgramCache]: Analyzing trace with hash 415822119, now seen corresponding path program 1 times [2022-11-22 01:34:06,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:06,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104437797] [2022-11-22 01:34:06,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:06,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:07,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:34:07,175 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:07,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104437797] [2022-11-22 01:34:07,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104437797] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:34:07,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:34:07,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 01:34:07,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087818119] [2022-11-22 01:34:07,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:34:07,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 01:34:07,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:07,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 01:34:07,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 01:34:07,217 INFO L87 Difference]: Start difference. First operand has 558 states, 532 states have (on average 2.648496240601504) internal successors, (1409), 557 states have internal predecessors, (1409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:07,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:34:07,325 INFO L93 Difference]: Finished difference Result 382 states and 871 transitions. [2022-11-22 01:34:07,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 01:34:07,327 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-22 01:34:07,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:34:07,347 INFO L225 Difference]: With dead ends: 382 [2022-11-22 01:34:07,347 INFO L226 Difference]: Without dead ends: 372 [2022-11-22 01:34:07,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 01:34:07,353 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:34:07,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:34:07,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2022-11-22 01:34:07,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2022-11-22 01:34:07,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 361 states have (on average 2.3462603878116344) internal successors, (847), 371 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:07,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 847 transitions. [2022-11-22 01:34:07,431 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 847 transitions. Word has length 5 [2022-11-22 01:34:07,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:34:07,431 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 847 transitions. [2022-11-22 01:34:07,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:07,432 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 847 transitions. [2022-11-22 01:34:07,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-22 01:34:07,432 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:07,432 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-22 01:34:07,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:34:07,433 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-11-22 01:34:07,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:07,433 INFO L85 PathProgramCache]: Analyzing trace with hash 3210609, now seen corresponding path program 1 times [2022-11-22 01:34:07,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:07,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764257383] [2022-11-22 01:34:07,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:07,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:07,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:07,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:34:07,560 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:07,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764257383] [2022-11-22 01:34:07,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764257383] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:34:07,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:34:07,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:34:07,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216481380] [2022-11-22 01:34:07,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:34:07,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:34:07,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:07,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:34:07,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:34:07,564 INFO L87 Difference]: Start difference. First operand 372 states and 847 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:07,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:34:07,650 INFO L93 Difference]: Finished difference Result 402 states and 919 transitions. [2022-11-22 01:34:07,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:34:07,651 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-22 01:34:07,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:34:07,655 INFO L225 Difference]: With dead ends: 402 [2022-11-22 01:34:07,659 INFO L226 Difference]: Without dead ends: 402 [2022-11-22 01:34:07,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:34:07,662 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 12 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:34:07,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 8 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:34:07,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2022-11-22 01:34:07,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 384. [2022-11-22 01:34:07,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 373 states have (on average 2.3485254691689006) internal successors, (876), 383 states have internal predecessors, (876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:07,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 876 transitions. [2022-11-22 01:34:07,705 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 876 transitions. Word has length 6 [2022-11-22 01:34:07,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:34:07,705 INFO L495 AbstractCegarLoop]: Abstraction has 384 states and 876 transitions. [2022-11-22 01:34:07,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:07,708 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 876 transitions. [2022-11-22 01:34:07,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 01:34:07,709 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:07,709 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:34:07,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:34:07,710 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting f2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-11-22 01:34:07,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:07,712 INFO L85 PathProgramCache]: Analyzing trace with hash 173048453, now seen corresponding path program 1 times [2022-11-22 01:34:07,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:07,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309078032] [2022-11-22 01:34:07,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:07,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:07,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:34:07,786 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:07,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309078032] [2022-11-22 01:34:07,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309078032] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:34:07,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:34:07,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:34:07,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424044176] [2022-11-22 01:34:07,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:34:07,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:34:07,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:07,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:34:07,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:34:07,789 INFO L87 Difference]: Start difference. First operand 384 states and 876 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:07,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:34:07,914 INFO L93 Difference]: Finished difference Result 444 states and 1007 transitions. [2022-11-22 01:34:07,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:34:07,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-22 01:34:07,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:34:07,918 INFO L225 Difference]: With dead ends: 444 [2022-11-22 01:34:07,918 INFO L226 Difference]: Without dead ends: 444 [2022-11-22 01:34:07,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:34:07,922 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 22 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:34:07,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 7 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:34:07,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2022-11-22 01:34:07,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 382. [2022-11-22 01:34:07,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 373 states have (on average 2.3136729222520107) internal successors, (863), 381 states have internal predecessors, (863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:07,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 863 transitions. [2022-11-22 01:34:07,945 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 863 transitions. Word has length 7 [2022-11-22 01:34:07,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:34:07,948 INFO L495 AbstractCegarLoop]: Abstraction has 382 states and 863 transitions. [2022-11-22 01:34:07,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:07,948 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 863 transitions. [2022-11-22 01:34:07,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-22 01:34:07,949 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:07,949 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:34:07,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:34:07,950 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-11-22 01:34:07,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:07,951 INFO L85 PathProgramCache]: Analyzing trace with hash -710578273, now seen corresponding path program 1 times [2022-11-22 01:34:07,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:07,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854055811] [2022-11-22 01:34:07,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:07,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:08,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:34:08,178 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:08,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854055811] [2022-11-22 01:34:08,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854055811] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:34:08,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:34:08,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:34:08,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723281492] [2022-11-22 01:34:08,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:34:08,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:34:08,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:08,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:34:08,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:34:08,186 INFO L87 Difference]: Start difference. First operand 382 states and 863 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:08,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:34:08,252 INFO L93 Difference]: Finished difference Result 138 states and 223 transitions. [2022-11-22 01:34:08,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:34:08,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-22 01:34:08,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:34:08,254 INFO L225 Difference]: With dead ends: 138 [2022-11-22 01:34:08,254 INFO L226 Difference]: Without dead ends: 138 [2022-11-22 01:34:08,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:34:08,259 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 18 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:34:08,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 5 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:34:08,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2022-11-22 01:34:08,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2022-11-22 01:34:08,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 133 states have (on average 1.6766917293233083) internal successors, (223), 137 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:08,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 223 transitions. [2022-11-22 01:34:08,268 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 223 transitions. Word has length 10 [2022-11-22 01:34:08,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:34:08,269 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 223 transitions. [2022-11-22 01:34:08,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:08,269 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 223 transitions. [2022-11-22 01:34:08,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-22 01:34:08,270 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:08,271 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:34:08,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:34:08,271 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting f2Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-11-22 01:34:08,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:08,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1792067737, now seen corresponding path program 1 times [2022-11-22 01:34:08,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:08,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340806836] [2022-11-22 01:34:08,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:08,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:08,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:34:08,368 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:08,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340806836] [2022-11-22 01:34:08,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340806836] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:34:08,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:34:08,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:34:08,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213655721] [2022-11-22 01:34:08,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:34:08,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:34:08,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:08,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:34:08,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:34:08,376 INFO L87 Difference]: Start difference. First operand 138 states and 223 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:08,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:34:08,444 INFO L93 Difference]: Finished difference Result 130 states and 210 transitions. [2022-11-22 01:34:08,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:34:08,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-22 01:34:08,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:34:08,446 INFO L225 Difference]: With dead ends: 130 [2022-11-22 01:34:08,446 INFO L226 Difference]: Without dead ends: 96 [2022-11-22 01:34:08,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:34:08,447 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:34:08,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 4 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:34:08,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-22 01:34:08,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-11-22 01:34:08,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 94 states have (on average 1.6170212765957446) internal successors, (152), 95 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:08,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 152 transitions. [2022-11-22 01:34:08,451 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 152 transitions. Word has length 11 [2022-11-22 01:34:08,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:34:08,452 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 152 transitions. [2022-11-22 01:34:08,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:08,452 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 152 transitions. [2022-11-22 01:34:08,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 01:34:08,455 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:08,455 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:34:08,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:34:08,455 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting f1Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-11-22 01:34:08,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:08,456 INFO L85 PathProgramCache]: Analyzing trace with hash -2010177514, now seen corresponding path program 1 times [2022-11-22 01:34:08,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:08,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299134760] [2022-11-22 01:34:08,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:08,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:08,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:34:08,535 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:08,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299134760] [2022-11-22 01:34:08,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299134760] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:34:08,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:34:08,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:34:08,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761103936] [2022-11-22 01:34:08,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:34:08,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:34:08,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:08,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:34:08,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:34:08,538 INFO L87 Difference]: Start difference. First operand 96 states and 152 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:08,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:34:08,585 INFO L93 Difference]: Finished difference Result 90 states and 142 transitions. [2022-11-22 01:34:08,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:34:08,586 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-22 01:34:08,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:34:08,587 INFO L225 Difference]: With dead ends: 90 [2022-11-22 01:34:08,587 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 01:34:08,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:34:08,588 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 3 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:34:08,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:34:08,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 01:34:08,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 01:34:08,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:08,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 01:34:08,590 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2022-11-22 01:34:08,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:34:08,590 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 01:34:08,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:34:08,591 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 01:34:08,591 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 01:34:08,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 14 remaining) [2022-11-22 01:34:08,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 14 remaining) [2022-11-22 01:34:08,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 14 remaining) [2022-11-22 01:34:08,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 14 remaining) [2022-11-22 01:34:08,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (9 of 14 remaining) [2022-11-22 01:34:08,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (8 of 14 remaining) [2022-11-22 01:34:08,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (7 of 14 remaining) [2022-11-22 01:34:08,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 14 remaining) [2022-11-22 01:34:08,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f2Err1ASSERT_VIOLATIONDATA_RACE (5 of 14 remaining) [2022-11-22 01:34:08,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (4 of 14 remaining) [2022-11-22 01:34:08,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (3 of 14 remaining) [2022-11-22 01:34:08,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (2 of 14 remaining) [2022-11-22 01:34:08,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 14 remaining) [2022-11-22 01:34:08,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f2Err1ASSERT_VIOLATIONDATA_RACE (0 of 14 remaining) [2022-11-22 01:34:08,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 01:34:08,601 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-22 01:34:08,606 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-22 01:34:08,606 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:34:08,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:34:08 BasicIcfg [2022-11-22 01:34:08,609 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:34:08,610 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:34:08,610 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:34:08,610 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:34:08,611 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:34:01" (3/4) ... [2022-11-22 01:34:08,614 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 01:34:08,621 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f1 [2022-11-22 01:34:08,621 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f2 [2022-11-22 01:34:08,627 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-22 01:34:08,627 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-22 01:34:08,627 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-22 01:34:08,628 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 01:34:08,671 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fdaec32-2b4e-40f8-9885-1b29ff74ab3a/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 01:34:08,671 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:34:08,672 INFO L158 Benchmark]: Toolchain (without parser) took 9528.08ms. Allocated memory was 138.4MB in the beginning and 218.1MB in the end (delta: 79.7MB). Free memory was 90.0MB in the beginning and 167.6MB in the end (delta: -77.6MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2022-11-22 01:34:08,672 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 138.4MB. Free memory was 106.1MB in the beginning and 106.1MB in the end (delta: 25.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:34:08,672 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1015.93ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 89.6MB in the beginning and 134.1MB in the end (delta: -44.6MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2022-11-22 01:34:08,673 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.23ms. Allocated memory is still 180.4MB. Free memory was 134.1MB in the beginning and 131.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 01:34:08,673 INFO L158 Benchmark]: Boogie Preprocessor took 42.98ms. Allocated memory is still 180.4MB. Free memory was 131.0MB in the beginning and 128.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:34:08,673 INFO L158 Benchmark]: RCFGBuilder took 762.00ms. Allocated memory is still 180.4MB. Free memory was 128.9MB in the beginning and 106.8MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-22 01:34:08,674 INFO L158 Benchmark]: TraceAbstraction took 7574.96ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 106.8MB in the beginning and 170.7MB in the end (delta: -63.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:34:08,674 INFO L158 Benchmark]: Witness Printer took 61.01ms. Allocated memory is still 218.1MB. Free memory was 170.7MB in the beginning and 167.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:34:08,677 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 138.4MB. Free memory was 106.1MB in the beginning and 106.1MB in the end (delta: 25.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1015.93ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 89.6MB in the beginning and 134.1MB in the end (delta: -44.6MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.23ms. Allocated memory is still 180.4MB. Free memory was 134.1MB in the beginning and 131.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.98ms. Allocated memory is still 180.4MB. Free memory was 131.0MB in the beginning and 128.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 762.00ms. Allocated memory is still 180.4MB. Free memory was 128.9MB in the beginning and 106.8MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 7574.96ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 106.8MB in the beginning and 170.7MB in the end (delta: -63.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 61.01ms. Allocated memory is still 218.1MB. Free memory was 170.7MB in the beginning and 167.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.5s, 132 PlacesBefore, 44 PlacesAfterwards, 126 TransitionsBefore, 38 TransitionsAfterwards, 2914 CoEnabledTransitionPairs, 8 FixpointIterations, 45 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 101 TotalNumberOfCompositions, 9820 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5295, independent: 4927, independent conditional: 0, independent unconditional: 4927, dependent: 368, dependent conditional: 0, dependent unconditional: 368, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2094, independent: 2030, independent conditional: 0, independent unconditional: 2030, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2094, independent: 1954, independent conditional: 0, independent unconditional: 1954, dependent: 140, dependent conditional: 0, dependent unconditional: 140, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 140, independent: 76, independent conditional: 0, independent unconditional: 76, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 189, independent: 73, independent conditional: 0, independent unconditional: 73, dependent: 116, dependent conditional: 0, dependent unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5295, independent: 2897, independent conditional: 0, independent unconditional: 2897, dependent: 304, dependent conditional: 0, dependent unconditional: 304, unknown: 2094, unknown conditional: 0, unknown unconditional: 2094] , Statistics on independence cache: Total cache size (in pairs): 363, Positive cache size: 329, Positive conditional cache size: 0, Positive unconditional cache size: 329, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1378]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1379]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1356]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1358]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1359]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1365]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1366]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 178 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 7.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 295 IncrementalHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 35 mSDtfsCounter, 295 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=558occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 80 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 71 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-22 01:34:08,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fdaec32-2b4e-40f8-9885-1b29ff74ab3a/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE