./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-2_1-container_of.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_4e36adbf-e8c4-4d78-b9d1-f8ee35a3fd46/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e36adbf-e8c4-4d78-b9d1-f8ee35a3fd46/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_4e36adbf-e8c4-4d78-b9d1-f8ee35a3fd46/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e36adbf-e8c4-4d78-b9d1-f8ee35a3fd46/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e36adbf-e8c4-4d78-b9d1-f8ee35a3fd46/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_4e36adbf-e8c4-4d78-b9d1-f8ee35a3fd46/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 fddded73cca9ade55587111b2e2c843e75dd81397929514bda88fadfc663c7db --- 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 02:23:18,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:23:18,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:23:18,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:23:18,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:23:18,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:23:18,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:23:18,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:23:18,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:23:18,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:23:18,353 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:23:18,354 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:23:18,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:23:18,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:23:18,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:23:18,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:23:18,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:23:18,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:23:18,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:23:18,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:23:18,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:23:18,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:23:18,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:23:18,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:23:18,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:23:18,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:23:18,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:23:18,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:23:18,382 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:23:18,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:23:18,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:23:18,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:23:18,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:23:18,386 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:23:18,387 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:23:18,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:23:18,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:23:18,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:23:18,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:23:18,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:23:18,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:23:18,395 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e36adbf-e8c4-4d78-b9d1-f8ee35a3fd46/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-22 02:23:18,436 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:23:18,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:23:18,437 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:23:18,437 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:23:18,438 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:23:18,438 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:23:18,438 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:23:18,441 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:23:18,442 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:23:18,442 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:23:18,443 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:23:18,443 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:23:18,443 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:23:18,443 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:23:18,444 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:23:18,444 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:23:18,444 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:23:18,444 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:23:18,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:23:18,445 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 02:23:18,445 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:23:18,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:23:18,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 02:23:18,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:23:18,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:23:18,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:23:18,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:23:18,447 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-22 02:23:18,447 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 02:23:18,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:23:18,448 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:23:18,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:23:18,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:23:18,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:23:18,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:23:18,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:23:18,449 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:23:18,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:23:18,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:23:18,450 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:23:18,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:23:18,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:23:18,450 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:23:18,451 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_4e36adbf-e8c4-4d78-b9d1-f8ee35a3fd46/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e36adbf-e8c4-4d78-b9d1-f8ee35a3fd46/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fddded73cca9ade55587111b2e2c843e75dd81397929514bda88fadfc663c7db [2022-11-22 02:23:18,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:23:18,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:23:18,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:23:18,776 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:23:18,776 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:23:18,778 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e36adbf-e8c4-4d78-b9d1-f8ee35a3fd46/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2022-11-22 02:23:21,816 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:23:22,187 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:23:22,188 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e36adbf-e8c4-4d78-b9d1-f8ee35a3fd46/sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2022-11-22 02:23:22,209 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e36adbf-e8c4-4d78-b9d1-f8ee35a3fd46/bin/utaipan-g80aRyZoba/data/761a7c972/22ed190233e24ea08e2c3394eeca9450/FLAGa6d46f6a5 [2022-11-22 02:23:22,229 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e36adbf-e8c4-4d78-b9d1-f8ee35a3fd46/bin/utaipan-g80aRyZoba/data/761a7c972/22ed190233e24ea08e2c3394eeca9450 [2022-11-22 02:23:22,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:23:22,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:23:22,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:23:22,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:23:22,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:23:22,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:23:22" (1/1) ... [2022-11-22 02:23:22,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@91241d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:22, skipping insertion in model container [2022-11-22 02:23:22,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:23:22" (1/1) ... [2022-11-22 02:23:22,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:23:22,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:23:23,161 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_4e36adbf-e8c4-4d78-b9d1-f8ee35a3fd46/sv-benchmarks/c/ldv-races/race-2_1-container_of.i[76077,76090] [2022-11-22 02:23:23,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:23:23,264 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:23:23,356 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_4e36adbf-e8c4-4d78-b9d1-f8ee35a3fd46/sv-benchmarks/c/ldv-races/race-2_1-container_of.i[76077,76090] [2022-11-22 02:23:23,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:23:23,503 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:23:23,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:23 WrapperNode [2022-11-22 02:23:23,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:23:23,505 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:23:23,505 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:23:23,505 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:23:23,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:23" (1/1) ... [2022-11-22 02:23:23,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:23" (1/1) ... [2022-11-22 02:23:23,593 INFO L138 Inliner]: procedures = 482, calls = 46, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 201 [2022-11-22 02:23:23,594 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:23:23,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:23:23,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:23:23,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:23:23,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:23" (1/1) ... [2022-11-22 02:23:23,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:23" (1/1) ... [2022-11-22 02:23:23,618 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:23" (1/1) ... [2022-11-22 02:23:23,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:23" (1/1) ... [2022-11-22 02:23:23,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:23" (1/1) ... [2022-11-22 02:23:23,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:23" (1/1) ... [2022-11-22 02:23:23,665 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:23" (1/1) ... [2022-11-22 02:23:23,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:23" (1/1) ... [2022-11-22 02:23:23,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:23:23,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:23:23,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:23:23,676 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:23:23,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:23" (1/1) ... [2022-11-22 02:23:23,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:23:23,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e36adbf-e8c4-4d78-b9d1-f8ee35a3fd46/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:23:23,714 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e36adbf-e8c4-4d78-b9d1-f8ee35a3fd46/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:23:23,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e36adbf-e8c4-4d78-b9d1-f8ee35a3fd46/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:23:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:23:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:23:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-22 02:23:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:23:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:23:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:23:23,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:23:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-11-22 02:23:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-11-22 02:23:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:23:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:23:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:23:23,774 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 02:23:24,219 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:23:24,221 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:23:24,788 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:23:24,798 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:23:24,798 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 02:23:24,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:23:24 BoogieIcfgContainer [2022-11-22 02:23:24,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:23:24,803 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:23:24,803 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:23:24,806 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:23:24,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:23:22" (1/3) ... [2022-11-22 02:23:24,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f50597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:23:24, skipping insertion in model container [2022-11-22 02:23:24,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:23" (2/3) ... [2022-11-22 02:23:24,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f50597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:23:24, skipping insertion in model container [2022-11-22 02:23:24,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:23:24" (3/3) ... [2022-11-22 02:23:24,809 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2022-11-22 02:23:24,818 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-22 02:23:24,830 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:23:24,830 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2022-11-22 02:23:24,831 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 02:23:24,983 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-22 02:23:25,040 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 02:23:25,066 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 311 places, 313 transitions, 642 flow [2022-11-22 02:23:25,076 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 311 places, 313 transitions, 642 flow [2022-11-22 02:23:25,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 311 places, 313 transitions, 642 flow [2022-11-22 02:23:25,271 INFO L130 PetriNetUnfolder]: 10/390 cut-off events. [2022-11-22 02:23:25,271 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-22 02:23:25,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 399 conditions, 390 events. 10/390 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 823 event pairs, 0 based on Foata normal form. 0/355 useless extension candidates. Maximal degree in co-relation 221. Up to 4 conditions per place. [2022-11-22 02:23:25,293 INFO L119 LiptonReduction]: Number of co-enabled transitions 15624 [2022-11-22 02:24:36,216 WARN L233 SmtUtils]: Spent 7.61s on a formula simplification. DAG size of input: 111 DAG size of output: 109 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:24:45,011 WARN L233 SmtUtils]: Spent 7.05s on a formula simplification. DAG size of input: 111 DAG size of output: 109 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:25:17,729 WARN L233 SmtUtils]: Spent 11.34s on a formula simplification. DAG size of input: 197 DAG size of output: 195 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:25:28,651 WARN L233 SmtUtils]: Spent 7.55s on a formula simplification. DAG size of input: 203 DAG size of output: 201 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:25:42,630 WARN L233 SmtUtils]: Spent 9.27s on a formula simplification. DAG size of input: 211 DAG size of output: 209 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:25:57,805 WARN L233 SmtUtils]: Spent 13.36s on a formula simplification. DAG size of input: 217 DAG size of output: 215 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:26:02,649 INFO L134 LiptonReduction]: Checked pairs total: 194506 [2022-11-22 02:26:02,650 INFO L136 LiptonReduction]: Total number of compositions: 299 [2022-11-22 02:26:02,657 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 111 places, 109 transitions, 234 flow [2022-11-22 02:26:03,417 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 21620 states, 21493 states have (on average 2.9450984041315778) internal successors, (63299), 21619 states have internal predecessors, (63299), 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 02:26:03,441 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:26:03,450 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;@296c11ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:26:03,450 INFO L358 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2022-11-22 02:26:03,499 INFO L276 IsEmpty]: Start isEmpty. Operand has 21620 states, 21493 states have (on average 2.9450984041315778) internal successors, (63299), 21619 states have internal predecessors, (63299), 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 02:26:03,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-22 02:26:03,504 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:26:03,507 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-22 02:26:03,507 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:26:03,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:26:03,516 INFO L85 PathProgramCache]: Analyzing trace with hash 991, now seen corresponding path program 1 times [2022-11-22 02:26:03,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:26:03,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396600901] [2022-11-22 02:26:03,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:26:03,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:26:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:26:03,933 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 02:26:03,934 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:26:03,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396600901] [2022-11-22 02:26:03,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396600901] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:26:03,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:26:03,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-22 02:26:03,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099654602] [2022-11-22 02:26:03,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:26:03,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 02:26:03,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:26:03,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 02:26:03,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 02:26:03,994 INFO L87 Difference]: Start difference. First operand has 21620 states, 21493 states have (on average 2.9450984041315778) internal successors, (63299), 21619 states have internal predecessors, (63299), 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 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 02:26:04,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:26:04,524 INFO L93 Difference]: Finished difference Result 21614 states and 62140 transitions. [2022-11-22 02:26:04,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 02:26:04,534 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 1 [2022-11-22 02:26:04,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:26:04,679 INFO L225 Difference]: With dead ends: 21614 [2022-11-22 02:26:04,679 INFO L226 Difference]: Without dead ends: 21609 [2022-11-22 02:26:04,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 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 02:26:04,683 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:26:04,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:26:04,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21609 states. [2022-11-22 02:26:05,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21609 to 21609. [2022-11-22 02:26:05,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21609 states, 21490 states have (on average 2.8909725453699395) internal successors, (62127), 21608 states have internal predecessors, (62127), 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 02:26:06,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21609 states to 21609 states and 62127 transitions. [2022-11-22 02:26:06,018 INFO L78 Accepts]: Start accepts. Automaton has 21609 states and 62127 transitions. Word has length 1 [2022-11-22 02:26:06,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:26:06,034 INFO L495 AbstractCegarLoop]: Abstraction has 21609 states and 62127 transitions. [2022-11-22 02:26:06,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 02:26:06,034 INFO L276 IsEmpty]: Start isEmpty. Operand 21609 states and 62127 transitions. [2022-11-22 02:26:06,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 02:26:06,035 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:26:06,036 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:26:06,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:26:06,036 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:26:06,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:26:06,037 INFO L85 PathProgramCache]: Analyzing trace with hash -247013340, now seen corresponding path program 1 times [2022-11-22 02:26:06,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:26:06,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080391349] [2022-11-22 02:26:06,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:26:06,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:26:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:26:07,189 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 02:26:07,189 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:26:07,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080391349] [2022-11-22 02:26:07,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080391349] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:26:07,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:26:07,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:26:07,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247912609] [2022-11-22 02:26:07,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:26:07,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 02:26:07,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:26:07,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 02:26:07,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:26:07,193 INFO L87 Difference]: Start difference. First operand 21609 states and 62127 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 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 02:26:08,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:26:08,871 INFO L93 Difference]: Finished difference Result 24434 states and 70364 transitions. [2022-11-22 02:26:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:26:08,871 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 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 02:26:08,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:26:08,966 INFO L225 Difference]: With dead ends: 24434 [2022-11-22 02:26:08,967 INFO L226 Difference]: Without dead ends: 24434 [2022-11-22 02:26:08,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:26:08,970 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 89 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 882 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:26:08,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 86 Invalid, 888 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 882 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-22 02:26:09,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24434 states. [2022-11-22 02:26:09,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24434 to 23867. [2022-11-22 02:26:09,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23867 states, 23749 states have (on average 2.893216556486589) internal successors, (68711), 23866 states have internal predecessors, (68711), 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 02:26:09,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23867 states to 23867 states and 68711 transitions. [2022-11-22 02:26:09,989 INFO L78 Accepts]: Start accepts. Automaton has 23867 states and 68711 transitions. Word has length 7 [2022-11-22 02:26:09,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:26:09,989 INFO L495 AbstractCegarLoop]: Abstraction has 23867 states and 68711 transitions. [2022-11-22 02:26:09,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 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 02:26:09,990 INFO L276 IsEmpty]: Start isEmpty. Operand 23867 states and 68711 transitions. [2022-11-22 02:26:09,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 02:26:09,991 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:26:09,992 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:26:09,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 02:26:09,992 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:26:09,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:26:09,993 INFO L85 PathProgramCache]: Analyzing trace with hash -847215286, now seen corresponding path program 1 times [2022-11-22 02:26:09,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:26:09,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456212034] [2022-11-22 02:26:09,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:26:09,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:26:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:26:10,323 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 02:26:10,323 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:26:10,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456212034] [2022-11-22 02:26:10,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456212034] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:26:10,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:26:10,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 02:26:10,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676931960] [2022-11-22 02:26:10,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:26:10,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:26:10,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:26:10,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:26:10,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:26:10,327 INFO L87 Difference]: Start difference. First operand 23867 states and 68711 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 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 02:26:10,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:26:10,870 INFO L93 Difference]: Finished difference Result 23861 states and 68705 transitions. [2022-11-22 02:26:10,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:26:10,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 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 02:26:10,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:26:10,969 INFO L225 Difference]: With dead ends: 23861 [2022-11-22 02:26:10,969 INFO L226 Difference]: Without dead ends: 23861 [2022-11-22 02:26:10,970 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 02:26:10,971 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:26:10,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 02:26:11,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23861 states. [2022-11-22 02:26:11,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23861 to 23861. [2022-11-22 02:26:11,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23861 states, 23744 states have (on average 2.8935731132075473) internal successors, (68705), 23860 states have internal predecessors, (68705), 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 02:26:11,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23861 states to 23861 states and 68705 transitions. [2022-11-22 02:26:11,784 INFO L78 Accepts]: Start accepts. Automaton has 23861 states and 68705 transitions. Word has length 7 [2022-11-22 02:26:11,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:26:11,785 INFO L495 AbstractCegarLoop]: Abstraction has 23861 states and 68705 transitions. [2022-11-22 02:26:11,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 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 02:26:11,785 INFO L276 IsEmpty]: Start isEmpty. Operand 23861 states and 68705 transitions. [2022-11-22 02:26:11,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 02:26:11,786 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:26:11,787 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:26:11,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 02:26:11,787 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:26:11,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:26:11,788 INFO L85 PathProgramCache]: Analyzing trace with hash 182895261, now seen corresponding path program 1 times [2022-11-22 02:26:11,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:26:11,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341718959] [2022-11-22 02:26:11,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:26:11,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:26:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:26:12,359 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 02:26:12,359 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:26:12,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341718959] [2022-11-22 02:26:12,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341718959] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:26:12,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:26:12,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:26:12,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122197218] [2022-11-22 02:26:12,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:26:12,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 02:26:12,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:26:12,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 02:26:12,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:26:12,362 INFO L87 Difference]: Start difference. First operand 23861 states and 68705 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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 02:26:13,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:26:13,957 INFO L93 Difference]: Finished difference Result 28317 states and 81748 transitions. [2022-11-22 02:26:13,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:26:13,959 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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 9 [2022-11-22 02:26:13,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:26:14,195 INFO L225 Difference]: With dead ends: 28317 [2022-11-22 02:26:14,195 INFO L226 Difference]: Without dead ends: 28317 [2022-11-22 02:26:14,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:26:14,202 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 118 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 838 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:26:14,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 72 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 838 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-22 02:26:14,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28317 states. [2022-11-22 02:26:14,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28317 to 27348. [2022-11-22 02:26:14,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27348 states, 27231 states have (on average 2.8977635782747604) internal successors, (78909), 27347 states have internal predecessors, (78909), 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 02:26:15,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27348 states to 27348 states and 78909 transitions. [2022-11-22 02:26:15,071 INFO L78 Accepts]: Start accepts. Automaton has 27348 states and 78909 transitions. Word has length 9 [2022-11-22 02:26:15,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:26:15,072 INFO L495 AbstractCegarLoop]: Abstraction has 27348 states and 78909 transitions. [2022-11-22 02:26:15,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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 02:26:15,073 INFO L276 IsEmpty]: Start isEmpty. Operand 27348 states and 78909 transitions. [2022-11-22 02:26:15,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-22 02:26:15,080 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:26:15,080 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:26:15,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 02:26:15,080 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:26:15,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:26:15,081 INFO L85 PathProgramCache]: Analyzing trace with hash 41031915, now seen corresponding path program 1 times [2022-11-22 02:26:15,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:26:15,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545929247] [2022-11-22 02:26:15,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:26:15,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:26:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:26:15,732 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 02:26:15,732 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:26:15,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545929247] [2022-11-22 02:26:15,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545929247] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:26:15,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:26:15,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:26:15,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717524726] [2022-11-22 02:26:15,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:26:15,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 02:26:15,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:26:15,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 02:26:15,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:26:15,735 INFO L87 Difference]: Start difference. First operand 27348 states and 78909 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 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 02:26:17,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:26:17,474 INFO L93 Difference]: Finished difference Result 31989 states and 92454 transitions. [2022-11-22 02:26:17,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:26:17,476 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 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 02:26:17,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:26:17,601 INFO L225 Difference]: With dead ends: 31989 [2022-11-22 02:26:17,601 INFO L226 Difference]: Without dead ends: 31989 [2022-11-22 02:26:17,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:26:17,602 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 130 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:26:17,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 71 Invalid, 914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-22 02:26:17,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31989 states. [2022-11-22 02:26:18,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31989 to 30868. [2022-11-22 02:26:18,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30868 states, 30751 states have (on average 2.899840655588436) internal successors, (89173), 30867 states have internal predecessors, (89173), 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 02:26:18,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30868 states to 30868 states and 89173 transitions. [2022-11-22 02:26:18,693 INFO L78 Accepts]: Start accepts. Automaton has 30868 states and 89173 transitions. Word has length 11 [2022-11-22 02:26:18,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:26:18,694 INFO L495 AbstractCegarLoop]: Abstraction has 30868 states and 89173 transitions. [2022-11-22 02:26:18,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 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 02:26:18,694 INFO L276 IsEmpty]: Start isEmpty. Operand 30868 states and 89173 transitions. [2022-11-22 02:26:18,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-22 02:26:18,698 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:26:18,698 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:26:18,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 02:26:18,698 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:26:18,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:26:18,699 INFO L85 PathProgramCache]: Analyzing trace with hash 306711512, now seen corresponding path program 1 times [2022-11-22 02:26:18,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:26:18,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289945695] [2022-11-22 02:26:18,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:26:18,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:26:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:26:19,072 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 02:26:19,073 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:26:19,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289945695] [2022-11-22 02:26:19,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289945695] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:26:19,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:26:19,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:26:19,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032468870] [2022-11-22 02:26:19,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:26:19,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 02:26:19,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:26:19,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 02:26:19,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:26:19,076 INFO L87 Difference]: Start difference. First operand 30868 states and 89173 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 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 02:26:20,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:26:20,785 INFO L93 Difference]: Finished difference Result 34101 states and 97638 transitions. [2022-11-22 02:26:20,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:26:20,787 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 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 02:26:20,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:26:20,922 INFO L225 Difference]: With dead ends: 34101 [2022-11-22 02:26:20,922 INFO L226 Difference]: Without dead ends: 34101 [2022-11-22 02:26:20,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:26:20,924 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 102 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:26:20,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 76 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 649 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-22 02:26:21,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34101 states. [2022-11-22 02:26:21,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34101 to 33120. [2022-11-22 02:26:21,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33120 states, 33003 states have (on average 2.90085749780323) internal successors, (95737), 33119 states have internal predecessors, (95737), 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 02:26:22,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33120 states to 33120 states and 95737 transitions. [2022-11-22 02:26:22,000 INFO L78 Accepts]: Start accepts. Automaton has 33120 states and 95737 transitions. Word has length 11 [2022-11-22 02:26:22,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:26:22,001 INFO L495 AbstractCegarLoop]: Abstraction has 33120 states and 95737 transitions. [2022-11-22 02:26:22,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 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 02:26:22,002 INFO L276 IsEmpty]: Start isEmpty. Operand 33120 states and 95737 transitions. [2022-11-22 02:26:22,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 02:26:22,003 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:26:22,004 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:26:22,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 02:26:22,004 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:26:22,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:26:22,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1867410760, now seen corresponding path program 1 times [2022-11-22 02:26:22,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:26:22,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073121141] [2022-11-22 02:26:22,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:26:22,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:26:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:26:22,426 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 02:26:22,426 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:26:22,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073121141] [2022-11-22 02:26:22,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073121141] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:26:22,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:26:22,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:26:22,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871314089] [2022-11-22 02:26:22,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:26:22,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 02:26:22,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:26:22,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 02:26:22,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:26:22,428 INFO L87 Difference]: Start difference. First operand 33120 states and 95737 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 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 02:26:23,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:26:23,643 INFO L93 Difference]: Finished difference Result 36123 states and 104500 transitions. [2022-11-22 02:26:23,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:26:23,645 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 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 13 [2022-11-22 02:26:23,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:26:23,763 INFO L225 Difference]: With dead ends: 36123 [2022-11-22 02:26:23,763 INFO L226 Difference]: Without dead ends: 36123 [2022-11-22 02:26:23,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:26:23,764 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 92 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-22 02:26:23,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 78 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-22 02:26:23,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36123 states. [2022-11-22 02:26:24,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36123 to 35371. [2022-11-22 02:26:24,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35371 states, 35255 states have (on average 2.9017160686427457) internal successors, (102300), 35370 states have internal predecessors, (102300), 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 02:26:24,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35371 states to 35371 states and 102300 transitions. [2022-11-22 02:26:24,699 INFO L78 Accepts]: Start accepts. Automaton has 35371 states and 102300 transitions. Word has length 13 [2022-11-22 02:26:24,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:26:24,699 INFO L495 AbstractCegarLoop]: Abstraction has 35371 states and 102300 transitions. [2022-11-22 02:26:24,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 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 02:26:24,700 INFO L276 IsEmpty]: Start isEmpty. Operand 35371 states and 102300 transitions. [2022-11-22 02:26:24,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 02:26:24,702 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:26:24,702 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:26:24,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 02:26:24,703 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:26:24,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:26:24,703 INFO L85 PathProgramCache]: Analyzing trace with hash -411461104, now seen corresponding path program 1 times [2022-11-22 02:26:24,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:26:24,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68507013] [2022-11-22 02:26:24,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:26:24,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:26:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:26:25,748 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 02:26:25,749 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:26:25,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68507013] [2022-11-22 02:26:25,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68507013] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:26:25,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:26:25,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:26:25,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922838945] [2022-11-22 02:26:25,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:26:25,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:26:25,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:26:25,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:26:25,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:26:25,751 INFO L87 Difference]: Start difference. First operand 35371 states and 102300 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 02:26:26,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:26:26,614 INFO L93 Difference]: Finished difference Result 37767 states and 107007 transitions. [2022-11-22 02:26:26,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:26:26,615 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 14 [2022-11-22 02:26:26,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:26:26,730 INFO L225 Difference]: With dead ends: 37767 [2022-11-22 02:26:26,730 INFO L226 Difference]: Without dead ends: 37767 [2022-11-22 02:26:26,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-22 02:26:26,731 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 293 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-22 02:26:26,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 297 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-22 02:26:26,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37767 states. [2022-11-22 02:26:27,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37767 to 36544. [2022-11-22 02:26:27,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36544 states, 36407 states have (on average 2.873485868102288) internal successors, (104615), 36543 states have internal predecessors, (104615), 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 02:26:27,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36544 states to 36544 states and 104615 transitions. [2022-11-22 02:26:27,768 INFO L78 Accepts]: Start accepts. Automaton has 36544 states and 104615 transitions. Word has length 14 [2022-11-22 02:26:27,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:26:27,769 INFO L495 AbstractCegarLoop]: Abstraction has 36544 states and 104615 transitions. [2022-11-22 02:26:27,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 02:26:27,769 INFO L276 IsEmpty]: Start isEmpty. Operand 36544 states and 104615 transitions. [2022-11-22 02:26:27,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 02:26:27,771 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:26:27,771 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:26:27,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 02:26:27,772 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:26:27,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:26:27,772 INFO L85 PathProgramCache]: Analyzing trace with hash -412008564, now seen corresponding path program 1 times [2022-11-22 02:26:27,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:26:27,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859515304] [2022-11-22 02:26:27,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:26:27,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:26:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:26:27,867 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 02:26:27,867 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:26:27,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859515304] [2022-11-22 02:26:27,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859515304] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:26:27,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:26:27,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:26:27,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295866024] [2022-11-22 02:26:27,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:26:27,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:26:27,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:26:27,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:26:27,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:26:27,870 INFO L87 Difference]: Start difference. First operand 36544 states and 104615 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 02:26:28,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:26:28,218 INFO L93 Difference]: Finished difference Result 9694 states and 26930 transitions. [2022-11-22 02:26:28,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:26:28,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 14 [2022-11-22 02:26:28,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:26:28,238 INFO L225 Difference]: With dead ends: 9694 [2022-11-22 02:26:28,239 INFO L226 Difference]: Without dead ends: 9694 [2022-11-22 02:26:28,239 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 02:26:28,240 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 46 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:26:28,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 162 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 02:26:28,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9694 states. [2022-11-22 02:26:28,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9694 to 9694. [2022-11-22 02:26:28,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9694 states, 9651 states have (on average 2.7903844161226816) internal successors, (26930), 9693 states have internal predecessors, (26930), 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 02:26:28,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9694 states to 9694 states and 26930 transitions. [2022-11-22 02:26:28,397 INFO L78 Accepts]: Start accepts. Automaton has 9694 states and 26930 transitions. Word has length 14 [2022-11-22 02:26:28,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:26:28,397 INFO L495 AbstractCegarLoop]: Abstraction has 9694 states and 26930 transitions. [2022-11-22 02:26:28,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 02:26:28,397 INFO L276 IsEmpty]: Start isEmpty. Operand 9694 states and 26930 transitions. [2022-11-22 02:26:28,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 02:26:28,399 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:26:28,399 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:26:28,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 02:26:28,400 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:26:28,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:26:28,400 INFO L85 PathProgramCache]: Analyzing trace with hash -412028807, now seen corresponding path program 1 times [2022-11-22 02:26:28,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:26:28,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483370863] [2022-11-22 02:26:28,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:26:28,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:26:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:26:29,236 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 02:26:29,236 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:26:29,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483370863] [2022-11-22 02:26:29,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483370863] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:26:29,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:26:29,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 02:26:29,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857155723] [2022-11-22 02:26:29,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:26:29,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 02:26:29,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:26:29,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 02:26:29,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-22 02:26:29,238 INFO L87 Difference]: Start difference. First operand 9694 states and 26930 transitions. Second operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 02:26:30,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:26:30,860 INFO L93 Difference]: Finished difference Result 10799 states and 30055 transitions. [2022-11-22 02:26:30,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 02:26:30,862 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 14 [2022-11-22 02:26:30,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:26:30,885 INFO L225 Difference]: With dead ends: 10799 [2022-11-22 02:26:30,885 INFO L226 Difference]: Without dead ends: 10799 [2022-11-22 02:26:30,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2022-11-22 02:26:30,886 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 370 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 860 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:26:30,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 69 Invalid, 889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 860 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-22 02:26:30,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10799 states. [2022-11-22 02:26:31,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10799 to 9898. [2022-11-22 02:26:31,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9898 states, 9857 states have (on average 2.797910114639343) internal successors, (27579), 9897 states have internal predecessors, (27579), 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 02:26:31,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9898 states to 9898 states and 27579 transitions. [2022-11-22 02:26:31,081 INFO L78 Accepts]: Start accepts. Automaton has 9898 states and 27579 transitions. Word has length 14 [2022-11-22 02:26:31,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:26:31,081 INFO L495 AbstractCegarLoop]: Abstraction has 9898 states and 27579 transitions. [2022-11-22 02:26:31,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 02:26:31,081 INFO L276 IsEmpty]: Start isEmpty. Operand 9898 states and 27579 transitions. [2022-11-22 02:26:31,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 02:26:31,082 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:26:31,082 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:26:31,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-22 02:26:31,083 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:26:31,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:26:31,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1604909035, now seen corresponding path program 1 times [2022-11-22 02:26:31,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:26:31,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423541232] [2022-11-22 02:26:31,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:26:31,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:26:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:26:31,710 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 02:26:31,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:26:31,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423541232] [2022-11-22 02:26:31,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423541232] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:26:31,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:26:31,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 02:26:31,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410919847] [2022-11-22 02:26:31,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:26:31,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 02:26:31,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:26:31,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 02:26:31,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-22 02:26:31,712 INFO L87 Difference]: Start difference. First operand 9898 states and 27579 transitions. Second operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 02:26:33,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:26:33,653 INFO L93 Difference]: Finished difference Result 13258 states and 36495 transitions. [2022-11-22 02:26:33,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-22 02:26:33,653 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 14 [2022-11-22 02:26:33,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:26:33,682 INFO L225 Difference]: With dead ends: 13258 [2022-11-22 02:26:33,682 INFO L226 Difference]: Without dead ends: 13258 [2022-11-22 02:26:33,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2022-11-22 02:26:33,683 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 429 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 1140 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 1255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-22 02:26:33,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 68 Invalid, 1255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1140 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-22 02:26:33,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13258 states. [2022-11-22 02:26:33,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13258 to 9995. [2022-11-22 02:26:33,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9995 states, 9956 states have (on average 2.808055443953395) internal successors, (27957), 9994 states have internal predecessors, (27957), 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 02:26:33,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9995 states to 9995 states and 27957 transitions. [2022-11-22 02:26:33,873 INFO L78 Accepts]: Start accepts. Automaton has 9995 states and 27957 transitions. Word has length 14 [2022-11-22 02:26:33,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:26:33,873 INFO L495 AbstractCegarLoop]: Abstraction has 9995 states and 27957 transitions. [2022-11-22 02:26:33,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 02:26:33,873 INFO L276 IsEmpty]: Start isEmpty. Operand 9995 states and 27957 transitions. [2022-11-22 02:26:33,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 02:26:33,875 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:26:33,875 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:26:33,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-22 02:26:33,875 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:26:33,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:26:33,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1785271924, now seen corresponding path program 2 times [2022-11-22 02:26:33,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:26:33,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760145019] [2022-11-22 02:26:33,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:26:33,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:26:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:26:34,476 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 02:26:34,476 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:26:34,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760145019] [2022-11-22 02:26:34,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760145019] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:26:34,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:26:34,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:26:34,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310283581] [2022-11-22 02:26:34,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:26:34,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:26:34,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:26:34,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:26:34,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:26:34,479 INFO L87 Difference]: Start difference. First operand 9995 states and 27957 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 02:26:35,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:26:35,107 INFO L93 Difference]: Finished difference Result 10297 states and 28247 transitions. [2022-11-22 02:26:35,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:26:35,108 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 14 [2022-11-22 02:26:35,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:26:35,140 INFO L225 Difference]: With dead ends: 10297 [2022-11-22 02:26:35,141 INFO L226 Difference]: Without dead ends: 10297 [2022-11-22 02:26:35,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-22 02:26:35,142 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 224 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:26:35,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 230 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-22 02:26:35,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10297 states. [2022-11-22 02:26:35,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10297 to 9827. [2022-11-22 02:26:35,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9827 states, 9786 states have (on average 2.79695483343552) internal successors, (27371), 9826 states have internal predecessors, (27371), 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 02:26:35,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9827 states to 9827 states and 27371 transitions. [2022-11-22 02:26:35,397 INFO L78 Accepts]: Start accepts. Automaton has 9827 states and 27371 transitions. Word has length 14 [2022-11-22 02:26:35,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:26:35,398 INFO L495 AbstractCegarLoop]: Abstraction has 9827 states and 27371 transitions. [2022-11-22 02:26:35,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 02:26:35,398 INFO L276 IsEmpty]: Start isEmpty. Operand 9827 states and 27371 transitions. [2022-11-22 02:26:35,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 02:26:35,399 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:26:35,400 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:26:35,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-22 02:26:35,400 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:26:35,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:26:35,401 INFO L85 PathProgramCache]: Analyzing trace with hash -536772304, now seen corresponding path program 3 times [2022-11-22 02:26:35,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:26:35,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132463456] [2022-11-22 02:26:35,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:26:35,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:26:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:26:36,049 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 02:26:36,050 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:26:36,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132463456] [2022-11-22 02:26:36,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132463456] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:26:36,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:26:36,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:26:36,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588428420] [2022-11-22 02:26:36,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:26:36,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:26:36,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:26:36,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:26:36,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:26:36,053 INFO L87 Difference]: Start difference. First operand 9827 states and 27371 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 02:26:36,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:26:36,536 INFO L93 Difference]: Finished difference Result 1549 states and 2934 transitions. [2022-11-22 02:26:36,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:26:36,536 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 14 [2022-11-22 02:26:36,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:26:36,539 INFO L225 Difference]: With dead ends: 1549 [2022-11-22 02:26:36,539 INFO L226 Difference]: Without dead ends: 1549 [2022-11-22 02:26:36,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-22 02:26:36,539 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 209 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:26:36,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 217 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-22 02:26:36,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1549 states. [2022-11-22 02:26:36,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1549 to 1528. [2022-11-22 02:26:36,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1528 states, 1501 states have (on average 1.9413724183877414) internal successors, (2914), 1527 states have internal predecessors, (2914), 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 02:26:36,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 2914 transitions. [2022-11-22 02:26:36,570 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 2914 transitions. Word has length 14 [2022-11-22 02:26:36,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:26:36,571 INFO L495 AbstractCegarLoop]: Abstraction has 1528 states and 2914 transitions. [2022-11-22 02:26:36,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 02:26:36,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 2914 transitions. [2022-11-22 02:26:36,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 02:26:36,572 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:26:36,572 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:26:36,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-22 02:26:36,573 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:26:36,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:26:36,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1676784473, now seen corresponding path program 1 times [2022-11-22 02:26:36,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:26:36,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014445381] [2022-11-22 02:26:36,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:26:36,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:26:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:26:37,270 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 02:26:37,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:26:37,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014445381] [2022-11-22 02:26:37,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014445381] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:26:37,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:26:37,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 02:26:37,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404300305] [2022-11-22 02:26:37,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:26:37,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 02:26:37,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:26:37,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 02:26:37,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-22 02:26:37,272 INFO L87 Difference]: Start difference. First operand 1528 states and 2914 transitions. Second operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 02:26:38,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:26:38,577 INFO L93 Difference]: Finished difference Result 1532 states and 2900 transitions. [2022-11-22 02:26:38,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 02:26:38,578 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 14 [2022-11-22 02:26:38,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:26:38,581 INFO L225 Difference]: With dead ends: 1532 [2022-11-22 02:26:38,581 INFO L226 Difference]: Without dead ends: 1532 [2022-11-22 02:26:38,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2022-11-22 02:26:38,582 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 307 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:26:38,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 120 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 735 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-22 02:26:38,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2022-11-22 02:26:38,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1447. [2022-11-22 02:26:38,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1447 states, 1423 states have (on average 1.9374560787069572) internal successors, (2757), 1446 states have internal predecessors, (2757), 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 02:26:38,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 1447 states and 2757 transitions. [2022-11-22 02:26:38,605 INFO L78 Accepts]: Start accepts. Automaton has 1447 states and 2757 transitions. Word has length 14 [2022-11-22 02:26:38,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:26:38,606 INFO L495 AbstractCegarLoop]: Abstraction has 1447 states and 2757 transitions. [2022-11-22 02:26:38,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 02:26:38,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1447 states and 2757 transitions. [2022-11-22 02:26:38,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 02:26:38,607 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:26:38,607 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:26:38,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-22 02:26:38,608 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:26:38,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:26:38,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1484227227, now seen corresponding path program 1 times [2022-11-22 02:26:38,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:26:38,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122288067] [2022-11-22 02:26:38,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:26:38,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:26:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:26:39,284 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 02:26:39,284 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:26:39,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122288067] [2022-11-22 02:26:39,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122288067] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:26:39,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:26:39,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 02:26:39,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257002112] [2022-11-22 02:26:39,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:26:39,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 02:26:39,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:26:39,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 02:26:39,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-22 02:26:39,286 INFO L87 Difference]: Start difference. First operand 1447 states and 2757 transitions. Second operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 02:26:41,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:26:41,371 INFO L93 Difference]: Finished difference Result 2031 states and 3819 transitions. [2022-11-22 02:26:41,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-22 02:26:41,372 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 14 [2022-11-22 02:26:41,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:26:41,375 INFO L225 Difference]: With dead ends: 2031 [2022-11-22 02:26:41,375 INFO L226 Difference]: Without dead ends: 2031 [2022-11-22 02:26:41,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2022-11-22 02:26:41,376 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 405 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 1379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-22 02:26:41,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 116 Invalid, 1379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 1283 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-22 02:26:41,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2031 states. [2022-11-22 02:26:41,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2031 to 1463. [2022-11-22 02:26:41,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1463 states, 1439 states have (on average 1.9381514940931202) internal successors, (2789), 1462 states have internal predecessors, (2789), 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 02:26:41,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1463 states and 2789 transitions. [2022-11-22 02:26:41,403 INFO L78 Accepts]: Start accepts. Automaton has 1463 states and 2789 transitions. Word has length 14 [2022-11-22 02:26:41,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:26:41,404 INFO L495 AbstractCegarLoop]: Abstraction has 1463 states and 2789 transitions. [2022-11-22 02:26:41,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 02:26:41,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 2789 transitions. [2022-11-22 02:26:41,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 02:26:41,405 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:26:41,405 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:26:41,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-22 02:26:41,405 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:26:41,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:26:41,406 INFO L85 PathProgramCache]: Analyzing trace with hash 895760207, now seen corresponding path program 2 times [2022-11-22 02:26:41,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:26:41,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13153077] [2022-11-22 02:26:41,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:26:41,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:26:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:26:42,054 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 02:26:42,054 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:26:42,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13153077] [2022-11-22 02:26:42,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13153077] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:26:42,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:26:42,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-22 02:26:42,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740272933] [2022-11-22 02:26:42,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:26:42,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-22 02:26:42,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:26:42,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-22 02:26:42,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-22 02:26:42,056 INFO L87 Difference]: Start difference. First operand 1463 states and 2789 transitions. Second operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 02:26:43,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:26:43,962 INFO L93 Difference]: Finished difference Result 2434 states and 4547 transitions. [2022-11-22 02:26:43,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-22 02:26:43,963 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 14 [2022-11-22 02:26:43,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:26:43,966 INFO L225 Difference]: With dead ends: 2434 [2022-11-22 02:26:43,967 INFO L226 Difference]: Without dead ends: 2434 [2022-11-22 02:26:43,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2022-11-22 02:26:43,967 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 363 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 1039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-22 02:26:43,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 44 Invalid, 1039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 907 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-22 02:26:43,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2434 states. [2022-11-22 02:26:43,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2434 to 1442. [2022-11-22 02:26:43,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1442 states, 1418 states have (on average 1.9379407616361073) internal successors, (2748), 1441 states have internal predecessors, (2748), 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 02:26:43,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 2748 transitions. [2022-11-22 02:26:43,999 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 2748 transitions. Word has length 14 [2022-11-22 02:26:43,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:26:43,999 INFO L495 AbstractCegarLoop]: Abstraction has 1442 states and 2748 transitions. [2022-11-22 02:26:44,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 02:26:44,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 2748 transitions. [2022-11-22 02:26:44,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 02:26:44,000 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:26:44,000 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:26:44,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-22 02:26:44,001 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:26:44,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:26:44,001 INFO L85 PathProgramCache]: Analyzing trace with hash -786310093, now seen corresponding path program 3 times [2022-11-22 02:26:44,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:26:44,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937855905] [2022-11-22 02:26:44,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:26:44,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:26:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:26:44,662 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 02:26:44,662 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:26:44,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937855905] [2022-11-22 02:26:44,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937855905] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:26:44,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:26:44,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-22 02:26:44,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784462055] [2022-11-22 02:26:44,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:26:44,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-22 02:26:44,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:26:44,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-22 02:26:44,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-22 02:26:44,664 INFO L87 Difference]: Start difference. First operand 1442 states and 2748 transitions. Second operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 02:26:47,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:26:47,662 INFO L93 Difference]: Finished difference Result 2208 states and 4100 transitions. [2022-11-22 02:26:47,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-22 02:26:47,662 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 14 [2022-11-22 02:26:47,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:26:47,665 INFO L225 Difference]: With dead ends: 2208 [2022-11-22 02:26:47,665 INFO L226 Difference]: Without dead ends: 2208 [2022-11-22 02:26:47,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=227, Unknown=0, NotChecked=0, Total=342 [2022-11-22 02:26:47,666 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 423 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 1590 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 1698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-22 02:26:47,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 65 Invalid, 1698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1590 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-22 02:26:47,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2208 states. [2022-11-22 02:26:47,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2208 to 1357. [2022-11-22 02:26:47,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1357 states, 1335 states have (on average 1.9333333333333333) internal successors, (2581), 1356 states have internal predecessors, (2581), 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 02:26:47,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 2581 transitions. [2022-11-22 02:26:47,684 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 2581 transitions. Word has length 14 [2022-11-22 02:26:47,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:26:47,684 INFO L495 AbstractCegarLoop]: Abstraction has 1357 states and 2581 transitions. [2022-11-22 02:26:47,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 02:26:47,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 2581 transitions. [2022-11-22 02:26:47,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 02:26:47,685 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:26:47,685 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:26:47,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-22 02:26:47,685 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:26:47,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:26:47,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1927115541, now seen corresponding path program 2 times [2022-11-22 02:26:47,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:26:47,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850517756] [2022-11-22 02:26:47,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:26:47,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:26:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:26:48,230 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 02:26:48,231 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:26:48,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850517756] [2022-11-22 02:26:48,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850517756] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:26:48,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:26:48,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-22 02:26:48,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281720442] [2022-11-22 02:26:48,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:26:48,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-22 02:26:48,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:26:48,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-22 02:26:48,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-22 02:26:48,232 INFO L87 Difference]: Start difference. First operand 1357 states and 2581 transitions. Second operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 02:26:51,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:26:51,235 INFO L93 Difference]: Finished difference Result 2354 states and 4388 transitions. [2022-11-22 02:26:51,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-22 02:26:51,236 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 14 [2022-11-22 02:26:51,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:26:51,238 INFO L225 Difference]: With dead ends: 2354 [2022-11-22 02:26:51,239 INFO L226 Difference]: Without dead ends: 2354 [2022-11-22 02:26:51,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2022-11-22 02:26:51,240 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 411 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 1608 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 1703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 1608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-22 02:26:51,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 106 Invalid, 1703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 1608 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-22 02:26:51,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2354 states. [2022-11-22 02:26:51,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2354 to 1369. [2022-11-22 02:26:51,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1369 states, 1347 states have (on average 1.9368968077208613) internal successors, (2609), 1368 states have internal predecessors, (2609), 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 02:26:51,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1369 states and 2609 transitions. [2022-11-22 02:26:51,267 INFO L78 Accepts]: Start accepts. Automaton has 1369 states and 2609 transitions. Word has length 14 [2022-11-22 02:26:51,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:26:51,268 INFO L495 AbstractCegarLoop]: Abstraction has 1369 states and 2609 transitions. [2022-11-22 02:26:51,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 02:26:51,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 2609 transitions. [2022-11-22 02:26:51,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 02:26:51,269 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:26:51,270 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:26:51,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-22 02:26:51,270 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:26:51,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:26:51,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1152547193, now seen corresponding path program 3 times [2022-11-22 02:26:51,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:26:51,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787985492] [2022-11-22 02:26:51,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:26:51,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:26:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:26:51,922 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 02:26:51,922 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:26:51,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787985492] [2022-11-22 02:26:51,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787985492] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:26:51,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:26:51,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-22 02:26:51,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591133085] [2022-11-22 02:26:51,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:26:51,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-22 02:26:51,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:26:51,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-22 02:26:51,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-22 02:26:51,924 INFO L87 Difference]: Start difference. First operand 1369 states and 2609 transitions. Second operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 02:26:54,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:26:54,489 INFO L93 Difference]: Finished difference Result 2492 states and 4661 transitions. [2022-11-22 02:26:54,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-22 02:26:54,490 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 14 [2022-11-22 02:26:54,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:26:54,494 INFO L225 Difference]: With dead ends: 2492 [2022-11-22 02:26:54,495 INFO L226 Difference]: Without dead ends: 2492 [2022-11-22 02:26:54,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=227, Unknown=0, NotChecked=0, Total=342 [2022-11-22 02:26:54,496 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 347 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 1333 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 1456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:26:54,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 115 Invalid, 1456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1333 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-22 02:26:54,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2492 states. [2022-11-22 02:26:54,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2492 to 1369. [2022-11-22 02:26:54,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1369 states, 1347 states have (on average 1.9368968077208613) internal successors, (2609), 1368 states have internal predecessors, (2609), 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 02:26:54,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1369 states and 2609 transitions. [2022-11-22 02:26:54,535 INFO L78 Accepts]: Start accepts. Automaton has 1369 states and 2609 transitions. Word has length 14 [2022-11-22 02:26:54,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:26:54,535 INFO L495 AbstractCegarLoop]: Abstraction has 1369 states and 2609 transitions. [2022-11-22 02:26:54,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 02:26:54,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 2609 transitions. [2022-11-22 02:26:54,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 02:26:54,537 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:26:54,537 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:26:54,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-22 02:26:54,537 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:26:54,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:26:54,538 INFO L85 PathProgramCache]: Analyzing trace with hash -2045911191, now seen corresponding path program 4 times [2022-11-22 02:26:54,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:26:54,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233364846] [2022-11-22 02:26:54,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:26:54,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:26:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:26:55,158 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 02:26:55,158 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:26:55,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233364846] [2022-11-22 02:26:55,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233364846] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:26:55,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:26:55,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-22 02:26:55,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44657744] [2022-11-22 02:26:55,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:26:55,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-22 02:26:55,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:26:55,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-22 02:26:55,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-22 02:26:55,160 INFO L87 Difference]: Start difference. First operand 1369 states and 2609 transitions. Second operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 02:26:57,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:26:57,799 INFO L93 Difference]: Finished difference Result 2458 states and 4591 transitions. [2022-11-22 02:26:57,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-22 02:26:57,800 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 14 [2022-11-22 02:26:57,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:26:57,803 INFO L225 Difference]: With dead ends: 2458 [2022-11-22 02:26:57,803 INFO L226 Difference]: Without dead ends: 2458 [2022-11-22 02:26:57,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2022-11-22 02:26:57,804 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 327 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 1429 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 1548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 1429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:26:57,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 113 Invalid, 1548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 1429 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-22 02:26:57,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2458 states. [2022-11-22 02:26:57,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2458 to 1251. [2022-11-22 02:26:57,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1251 states, 1231 states have (on average 1.9277010560519903) internal successors, (2373), 1250 states have internal predecessors, (2373), 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 02:26:57,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 1251 states and 2373 transitions. [2022-11-22 02:26:57,844 INFO L78 Accepts]: Start accepts. Automaton has 1251 states and 2373 transitions. Word has length 14 [2022-11-22 02:26:57,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:26:57,844 INFO L495 AbstractCegarLoop]: Abstraction has 1251 states and 2373 transitions. [2022-11-22 02:26:57,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 02:26:57,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 2373 transitions. [2022-11-22 02:26:57,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 02:26:57,845 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:26:57,846 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:26:57,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-22 02:26:57,846 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:26:57,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:26:57,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1402603563, now seen corresponding path program 1 times [2022-11-22 02:26:57,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:26:57,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941920030] [2022-11-22 02:26:57,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:26:57,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:26:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:26:58,168 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 02:26:58,168 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:26:58,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941920030] [2022-11-22 02:26:58,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941920030] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:26:58,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:26:58,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:26:58,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142500787] [2022-11-22 02:26:58,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:26:58,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 02:26:58,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:26:58,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 02:26:58,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:26:58,170 INFO L87 Difference]: Start difference. First operand 1251 states and 2373 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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 02:26:59,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:26:59,025 INFO L93 Difference]: Finished difference Result 1228 states and 2329 transitions. [2022-11-22 02:26:59,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:26:59,026 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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 15 [2022-11-22 02:26:59,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:26:59,028 INFO L225 Difference]: With dead ends: 1228 [2022-11-22 02:26:59,028 INFO L226 Difference]: Without dead ends: 1228 [2022-11-22 02:26:59,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:26:59,029 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 26 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-22 02:26:59,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 60 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-22 02:26:59,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1228 states. [2022-11-22 02:26:59,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1228 to 1228. [2022-11-22 02:26:59,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1228 states, 1211 states have (on average 1.9232039636663913) internal successors, (2329), 1227 states have internal predecessors, (2329), 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 02:26:59,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 1228 states and 2329 transitions. [2022-11-22 02:26:59,050 INFO L78 Accepts]: Start accepts. Automaton has 1228 states and 2329 transitions. Word has length 15 [2022-11-22 02:26:59,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:26:59,050 INFO L495 AbstractCegarLoop]: Abstraction has 1228 states and 2329 transitions. [2022-11-22 02:26:59,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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 02:26:59,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 2329 transitions. [2022-11-22 02:26:59,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-22 02:26:59,052 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:26:59,052 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:26:59,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-22 02:26:59,052 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:26:59,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:26:59,053 INFO L85 PathProgramCache]: Analyzing trace with hash 2106160546, now seen corresponding path program 1 times [2022-11-22 02:26:59,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:26:59,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586849093] [2022-11-22 02:26:59,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:26:59,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:26:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:26:59,411 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 02:26:59,411 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:26:59,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586849093] [2022-11-22 02:26:59,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586849093] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:26:59,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:26:59,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:26:59,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573737380] [2022-11-22 02:26:59,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:26:59,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 02:26:59,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:26:59,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 02:26:59,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:26:59,414 INFO L87 Difference]: Start difference. First operand 1228 states and 2329 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 02:27:00,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:27:00,238 INFO L93 Difference]: Finished difference Result 1198 states and 2271 transitions. [2022-11-22 02:27:00,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:27:00,239 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 17 [2022-11-22 02:27:00,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:27:00,241 INFO L225 Difference]: With dead ends: 1198 [2022-11-22 02:27:00,241 INFO L226 Difference]: Without dead ends: 1198 [2022-11-22 02:27:00,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:27:00,242 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 40 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-22 02:27:00,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 59 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-22 02:27:00,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2022-11-22 02:27:00,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 1198. [2022-11-22 02:27:00,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1198 states, 1185 states have (on average 1.9164556962025316) internal successors, (2271), 1197 states have internal predecessors, (2271), 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 02:27:00,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1198 states and 2271 transitions. [2022-11-22 02:27:00,266 INFO L78 Accepts]: Start accepts. Automaton has 1198 states and 2271 transitions. Word has length 17 [2022-11-22 02:27:00,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:27:00,266 INFO L495 AbstractCegarLoop]: Abstraction has 1198 states and 2271 transitions. [2022-11-22 02:27:00,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 02:27:00,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 2271 transitions. [2022-11-22 02:27:00,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-22 02:27:00,267 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:27:00,267 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:27:00,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-22 02:27:00,267 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:27:00,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:27:00,268 INFO L85 PathProgramCache]: Analyzing trace with hash 155963905, now seen corresponding path program 1 times [2022-11-22 02:27:00,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:27:00,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836434854] [2022-11-22 02:27:00,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:27:00,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:27:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:27:00,658 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 02:27:00,659 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:27:00,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836434854] [2022-11-22 02:27:00,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836434854] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:27:00,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:27:00,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:27:00,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919693851] [2022-11-22 02:27:00,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:27:00,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 02:27:00,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:27:00,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 02:27:00,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:27:00,661 INFO L87 Difference]: Start difference. First operand 1198 states and 2271 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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 02:27:01,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:27:01,250 INFO L93 Difference]: Finished difference Result 1197 states and 2270 transitions. [2022-11-22 02:27:01,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:27:01,252 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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 19 [2022-11-22 02:27:01,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:27:01,253 INFO L225 Difference]: With dead ends: 1197 [2022-11-22 02:27:01,253 INFO L226 Difference]: Without dead ends: 1197 [2022-11-22 02:27:01,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:27:01,254 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 14 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-22 02:27:01,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 52 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-22 02:27:01,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2022-11-22 02:27:01,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1197. [2022-11-22 02:27:01,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1197 states, 1185 states have (on average 1.9156118143459915) internal successors, (2270), 1196 states have internal predecessors, (2270), 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 02:27:01,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 2270 transitions. [2022-11-22 02:27:01,273 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 2270 transitions. Word has length 19 [2022-11-22 02:27:01,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:27:01,273 INFO L495 AbstractCegarLoop]: Abstraction has 1197 states and 2270 transitions. [2022-11-22 02:27:01,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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 02:27:01,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 2270 transitions. [2022-11-22 02:27:01,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-22 02:27:01,275 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:27:01,275 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:27:01,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-22 02:27:01,276 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:27:01,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:27:01,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1490150257, now seen corresponding path program 1 times [2022-11-22 02:27:01,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:27:01,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747862173] [2022-11-22 02:27:01,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:27:01,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:27:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:27:01,642 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 02:27:01,643 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:27:01,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747862173] [2022-11-22 02:27:01,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747862173] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:27:01,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:27:01,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:27:01,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627516786] [2022-11-22 02:27:01,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:27:01,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 02:27:01,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:27:01,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 02:27:01,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:27:01,645 INFO L87 Difference]: Start difference. First operand 1197 states and 2270 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 02:27:02,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:27:02,230 INFO L93 Difference]: Finished difference Result 1244 states and 2356 transitions. [2022-11-22 02:27:02,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:27:02,231 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 21 [2022-11-22 02:27:02,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:27:02,233 INFO L225 Difference]: With dead ends: 1244 [2022-11-22 02:27:02,233 INFO L226 Difference]: Without dead ends: 1244 [2022-11-22 02:27:02,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:27:02,235 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 24 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-22 02:27:02,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 59 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-22 02:27:02,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1244 states. [2022-11-22 02:27:02,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1244 to 1244. [2022-11-22 02:27:02,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1244 states, 1232 states have (on average 1.9123376623376624) internal successors, (2356), 1243 states have internal predecessors, (2356), 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 02:27:02,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1244 states and 2356 transitions. [2022-11-22 02:27:02,254 INFO L78 Accepts]: Start accepts. Automaton has 1244 states and 2356 transitions. Word has length 21 [2022-11-22 02:27:02,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:27:02,254 INFO L495 AbstractCegarLoop]: Abstraction has 1244 states and 2356 transitions. [2022-11-22 02:27:02,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 02:27:02,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 2356 transitions. [2022-11-22 02:27:02,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-22 02:27:02,256 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:27:02,256 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:27:02,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-22 02:27:02,256 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:27:02,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:27:02,257 INFO L85 PathProgramCache]: Analyzing trace with hash -275849074, now seen corresponding path program 1 times [2022-11-22 02:27:02,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:27:02,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483687380] [2022-11-22 02:27:02,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:27:02,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:27:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:27:02,594 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 02:27:02,594 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:27:02,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483687380] [2022-11-22 02:27:02,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483687380] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:27:02,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:27:02,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:27:02,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388474808] [2022-11-22 02:27:02,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:27:02,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 02:27:02,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:27:02,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 02:27:02,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:27:02,596 INFO L87 Difference]: Start difference. First operand 1244 states and 2356 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 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 02:27:03,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:27:03,291 INFO L93 Difference]: Finished difference Result 1355 states and 2568 transitions. [2022-11-22 02:27:03,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:27:03,293 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 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 23 [2022-11-22 02:27:03,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:27:03,294 INFO L225 Difference]: With dead ends: 1355 [2022-11-22 02:27:03,294 INFO L226 Difference]: Without dead ends: 1355 [2022-11-22 02:27:03,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:27:03,295 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 38 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-22 02:27:03,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 59 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-22 02:27:03,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1355 states. [2022-11-22 02:27:03,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1355 to 1329. [2022-11-22 02:27:03,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1329 states, 1317 states have (on average 1.911921032649962) internal successors, (2518), 1328 states have internal predecessors, (2518), 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 02:27:03,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 2518 transitions. [2022-11-22 02:27:03,319 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 2518 transitions. Word has length 23 [2022-11-22 02:27:03,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:27:03,320 INFO L495 AbstractCegarLoop]: Abstraction has 1329 states and 2518 transitions. [2022-11-22 02:27:03,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 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 02:27:03,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 2518 transitions. [2022-11-22 02:27:03,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-22 02:27:03,321 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:27:03,321 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:27:03,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-22 02:27:03,322 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:27:03,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:27:03,322 INFO L85 PathProgramCache]: Analyzing trace with hash 429419539, now seen corresponding path program 1 times [2022-11-22 02:27:03,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:27:03,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391608920] [2022-11-22 02:27:03,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:27:03,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:27:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:27:03,686 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 02:27:03,687 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:27:03,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391608920] [2022-11-22 02:27:03,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391608920] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:27:03,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:27:03,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:27:03,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162586168] [2022-11-22 02:27:03,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:27:03,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 02:27:03,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:27:03,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 02:27:03,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:27:03,689 INFO L87 Difference]: Start difference. First operand 1329 states and 2518 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 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 02:27:04,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:27:04,006 INFO L93 Difference]: Finished difference Result 1328 states and 2517 transitions. [2022-11-22 02:27:04,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:27:04,007 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 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 25 [2022-11-22 02:27:04,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:27:04,009 INFO L225 Difference]: With dead ends: 1328 [2022-11-22 02:27:04,009 INFO L226 Difference]: Without dead ends: 1282 [2022-11-22 02:27:04,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:27:04,010 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 39 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:27:04,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 48 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 02:27:04,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2022-11-22 02:27:04,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 1282. [2022-11-22 02:27:04,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 1271 states have (on average 1.926042486231314) internal successors, (2448), 1281 states have internal predecessors, (2448), 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 02:27:04,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 2448 transitions. [2022-11-22 02:27:04,031 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 2448 transitions. Word has length 25 [2022-11-22 02:27:04,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:27:04,032 INFO L495 AbstractCegarLoop]: Abstraction has 1282 states and 2448 transitions. [2022-11-22 02:27:04,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 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 02:27:04,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 2448 transitions. [2022-11-22 02:27:04,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-22 02:27:04,033 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:27:04,033 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:27:04,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-22 02:27:04,033 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:27:04,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:27:04,034 INFO L85 PathProgramCache]: Analyzing trace with hash 735993225, now seen corresponding path program 1 times [2022-11-22 02:27:04,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:27:04,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389720475] [2022-11-22 02:27:04,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:27:04,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:27:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:27:04,703 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 02:27:04,704 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:27:04,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389720475] [2022-11-22 02:27:04,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389720475] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:27:04,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:27:04,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 02:27:04,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943170149] [2022-11-22 02:27:04,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:27:04,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 02:27:04,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:27:04,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 02:27:04,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-22 02:27:04,707 INFO L87 Difference]: Start difference. First operand 1282 states and 2448 transitions. Second operand has 10 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 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 02:27:05,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:27:05,294 INFO L93 Difference]: Finished difference Result 1268 states and 2418 transitions. [2022-11-22 02:27:05,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 02:27:05,294 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 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 26 [2022-11-22 02:27:05,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:27:05,296 INFO L225 Difference]: With dead ends: 1268 [2022-11-22 02:27:05,296 INFO L226 Difference]: Without dead ends: 1268 [2022-11-22 02:27:05,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2022-11-22 02:27:05,297 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 188 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:27:05,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 56 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-22 02:27:05,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2022-11-22 02:27:05,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 1212. [2022-11-22 02:27:05,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1212 states, 1204 states have (on average 1.9219269102990033) internal successors, (2314), 1211 states have internal predecessors, (2314), 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 02:27:05,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 1212 states and 2314 transitions. [2022-11-22 02:27:05,323 INFO L78 Accepts]: Start accepts. Automaton has 1212 states and 2314 transitions. Word has length 26 [2022-11-22 02:27:05,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:27:05,324 INFO L495 AbstractCegarLoop]: Abstraction has 1212 states and 2314 transitions. [2022-11-22 02:27:05,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 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 02:27:05,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 2314 transitions. [2022-11-22 02:27:05,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-22 02:27:05,325 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:27:05,325 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:27:05,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-22 02:27:05,326 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:27:05,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:27:05,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1540687804, now seen corresponding path program 1 times [2022-11-22 02:27:05,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:27:05,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705959326] [2022-11-22 02:27:05,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:27:05,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:27:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:27:05,975 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 02:27:05,975 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:27:05,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705959326] [2022-11-22 02:27:05,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705959326] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:27:05,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:27:05,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 02:27:05,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19199169] [2022-11-22 02:27:05,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:27:05,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 02:27:05,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:27:05,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 02:27:05,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-22 02:27:05,977 INFO L87 Difference]: Start difference. First operand 1212 states and 2314 transitions. Second operand has 10 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 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 02:27:06,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:27:06,877 INFO L93 Difference]: Finished difference Result 1200 states and 2286 transitions. [2022-11-22 02:27:06,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 02:27:06,877 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 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 26 [2022-11-22 02:27:06,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:27:06,879 INFO L225 Difference]: With dead ends: 1200 [2022-11-22 02:27:06,879 INFO L226 Difference]: Without dead ends: 1200 [2022-11-22 02:27:06,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2022-11-22 02:27:06,880 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 207 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 651 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-22 02:27:06,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 109 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 651 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-22 02:27:06,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2022-11-22 02:27:06,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 1127. [2022-11-22 02:27:06,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1127 states, 1121 states have (on average 1.9134701159678857) internal successors, (2145), 1126 states have internal predecessors, (2145), 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 02:27:06,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 2145 transitions. [2022-11-22 02:27:06,903 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 2145 transitions. Word has length 26 [2022-11-22 02:27:06,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:27:06,903 INFO L495 AbstractCegarLoop]: Abstraction has 1127 states and 2145 transitions. [2022-11-22 02:27:06,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 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 02:27:06,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 2145 transitions. [2022-11-22 02:27:06,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-22 02:27:06,904 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:27:06,905 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:27:06,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-22 02:27:06,905 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:27:06,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:27:06,906 INFO L85 PathProgramCache]: Analyzing trace with hash -2018146087, now seen corresponding path program 1 times [2022-11-22 02:27:06,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:27:06,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816239157] [2022-11-22 02:27:06,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:27:06,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:27:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:27:07,820 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 02:27:07,820 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:27:07,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816239157] [2022-11-22 02:27:07,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816239157] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:27:07,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:27:07,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-22 02:27:07,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545576150] [2022-11-22 02:27:07,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:27:07,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-22 02:27:07,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:27:07,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-22 02:27:07,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2022-11-22 02:27:07,822 INFO L87 Difference]: Start difference. First operand 1127 states and 2145 transitions. Second operand has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 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 02:27:09,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:27:09,466 INFO L93 Difference]: Finished difference Result 2538 states and 4748 transitions. [2022-11-22 02:27:09,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-22 02:27:09,467 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 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 34 [2022-11-22 02:27:09,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:27:09,470 INFO L225 Difference]: With dead ends: 2538 [2022-11-22 02:27:09,470 INFO L226 Difference]: Without dead ends: 2538 [2022-11-22 02:27:09,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2022-11-22 02:27:09,471 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 375 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 1124 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 1270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 1124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:27:09,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 93 Invalid, 1270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 1124 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-22 02:27:09,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2538 states. [2022-11-22 02:27:09,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2538 to 1255. [2022-11-22 02:27:09,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1249 states have (on average 1.922337870296237) internal successors, (2401), 1254 states have internal predecessors, (2401), 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 02:27:09,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 2401 transitions. [2022-11-22 02:27:09,497 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 2401 transitions. Word has length 34 [2022-11-22 02:27:09,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:27:09,497 INFO L495 AbstractCegarLoop]: Abstraction has 1255 states and 2401 transitions. [2022-11-22 02:27:09,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 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 02:27:09,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 2401 transitions. [2022-11-22 02:27:09,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-22 02:27:09,499 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:27:09,499 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:27:09,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-22 02:27:09,500 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:27:09,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:27:09,500 INFO L85 PathProgramCache]: Analyzing trace with hash -211216735, now seen corresponding path program 2 times [2022-11-22 02:27:09,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:27:09,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302585707] [2022-11-22 02:27:09,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:27:09,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:27:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:27:10,316 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 02:27:10,316 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:27:10,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302585707] [2022-11-22 02:27:10,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302585707] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:27:10,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:27:10,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-22 02:27:10,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196961261] [2022-11-22 02:27:10,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:27:10,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-22 02:27:10,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:27:10,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-22 02:27:10,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2022-11-22 02:27:10,318 INFO L87 Difference]: Start difference. First operand 1255 states and 2401 transitions. Second operand has 14 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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 02:27:12,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:27:12,155 INFO L93 Difference]: Finished difference Result 2575 states and 4820 transitions. [2022-11-22 02:27:12,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-22 02:27:12,156 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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 34 [2022-11-22 02:27:12,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:27:12,159 INFO L225 Difference]: With dead ends: 2575 [2022-11-22 02:27:12,160 INFO L226 Difference]: Without dead ends: 2575 [2022-11-22 02:27:12,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2022-11-22 02:27:12,160 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 513 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 1286 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 1452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 1286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:27:12,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 122 Invalid, 1452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 1286 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-22 02:27:12,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2575 states. [2022-11-22 02:27:12,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2575 to 1252. [2022-11-22 02:27:12,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1252 states, 1246 states have (on average 1.9221508828250402) internal successors, (2395), 1251 states have internal predecessors, (2395), 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 02:27:12,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 2395 transitions. [2022-11-22 02:27:12,187 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 2395 transitions. Word has length 34 [2022-11-22 02:27:12,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:27:12,187 INFO L495 AbstractCegarLoop]: Abstraction has 1252 states and 2395 transitions. [2022-11-22 02:27:12,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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 02:27:12,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 2395 transitions. [2022-11-22 02:27:12,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-22 02:27:12,189 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:27:12,189 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:27:12,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-22 02:27:12,189 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-22 02:27:12,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:27:12,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1651431615, now seen corresponding path program 3 times [2022-11-22 02:27:12,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:27:12,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107464940] [2022-11-22 02:27:12,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:27:12,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:27:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:27:13,169 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 02:27:13,169 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:27:13,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107464940] [2022-11-22 02:27:13,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107464940] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:27:13,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:27:13,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-22 02:27:13,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710473809] [2022-11-22 02:27:13,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:27:13,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-22 02:27:13,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:27:13,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-22 02:27:13,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-11-22 02:27:13,171 INFO L87 Difference]: Start difference. First operand 1252 states and 2395 transitions. Second operand has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 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)