./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-3_2b-container_of-global.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 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_a8746e68-f43d-4d8d-bd9d-670804f1c92e/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8746e68-f43d-4d8d-bd9d-670804f1c92e/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8746e68-f43d-4d8d-bd9d-670804f1c92e/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8746e68-f43d-4d8d-bd9d-670804f1c92e/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-3_2b-container_of-global.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8746e68-f43d-4d8d-bd9d-670804f1c92e/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8746e68-f43d-4d8d-bd9d-670804f1c92e/bin/utaipan-gh47qXpMRh --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 ac3e81ad3f9db95a5de1f98d474d0156e76fb4d993d4f8e52a09f0c02342da59 --- 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-2329fc7 [2022-12-14 09:12:23,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:12:23,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:12:23,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:12:23,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:12:23,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:12:23,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:12:23,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:12:23,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:12:23,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:12:23,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:12:23,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:12:23,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:12:23,524 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:12:23,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:12:23,526 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:12:23,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:12:23,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:12:23,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:12:23,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:12:23,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:12:23,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:12:23,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:12:23,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:12:23,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:12:23,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:12:23,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:12:23,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:12:23,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:12:23,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:12:23,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:12:23,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:12:23,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:12:23,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:12:23,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:12:23,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:12:23,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:12:23,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:12:23,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:12:23,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:12:23,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:12:23,547 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8746e68-f43d-4d8d-bd9d-670804f1c92e/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 09:12:23,566 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:12:23,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:12:23,567 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:12:23,567 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:12:23,567 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:12:23,568 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:12:23,568 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:12:23,568 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:12:23,568 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:12:23,568 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:12:23,568 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:12:23,569 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:12:23,569 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:12:23,569 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:12:23,569 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:12:23,569 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:12:23,570 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:12:23,570 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:12:23,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:12:23,570 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 09:12:23,571 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 09:12:23,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:12:23,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 09:12:23,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:12:23,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:12:23,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:12:23,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:12:23,572 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 09:12:23,572 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 09:12:23,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:12:23,572 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:12:23,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:12:23,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:12:23,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:12:23,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:12:23,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:12:23,573 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:12:23,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:12:23,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:12:23,574 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:12:23,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:12:23,574 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:12:23,574 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:12:23,574 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_a8746e68-f43d-4d8d-bd9d-670804f1c92e/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8746e68-f43d-4d8d-bd9d-670804f1c92e/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac3e81ad3f9db95a5de1f98d474d0156e76fb4d993d4f8e52a09f0c02342da59 [2022-12-14 09:12:23,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:12:23,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:12:23,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:12:23,786 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:12:23,787 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:12:23,788 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8746e68-f43d-4d8d-bd9d-670804f1c92e/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-races/race-3_2b-container_of-global.i [2022-12-14 09:12:26,319 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:12:26,530 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:12:26,531 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8746e68-f43d-4d8d-bd9d-670804f1c92e/sv-benchmarks/c/ldv-races/race-3_2b-container_of-global.i [2022-12-14 09:12:26,543 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8746e68-f43d-4d8d-bd9d-670804f1c92e/bin/utaipan-gh47qXpMRh/data/4b99af715/643cdb020550436ba4951769fa41200e/FLAG8662d9646 [2022-12-14 09:12:26,870 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8746e68-f43d-4d8d-bd9d-670804f1c92e/bin/utaipan-gh47qXpMRh/data/4b99af715/643cdb020550436ba4951769fa41200e [2022-12-14 09:12:26,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:12:26,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:12:26,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:12:26,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:12:26,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:12:26,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:12:26" (1/1) ... [2022-12-14 09:12:26,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ac34d18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:12:26, skipping insertion in model container [2022-12-14 09:12:26,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:12:26" (1/1) ... [2022-12-14 09:12:26,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:12:26,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:12:27,388 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_a8746e68-f43d-4d8d-bd9d-670804f1c92e/sv-benchmarks/c/ldv-races/race-3_2b-container_of-global.i[76084,76097] [2022-12-14 09:12:27,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:12:27,430 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:12:27,464 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_a8746e68-f43d-4d8d-bd9d-670804f1c92e/sv-benchmarks/c/ldv-races/race-3_2b-container_of-global.i[76084,76097] [2022-12-14 09:12:27,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:12:27,560 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:12:27,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:12:27 WrapperNode [2022-12-14 09:12:27,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:12:27,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:12:27,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:12:27,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:12:27,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:12:27" (1/1) ... [2022-12-14 09:12:27,583 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:12:27" (1/1) ... [2022-12-14 09:12:27,604 INFO L138 Inliner]: procedures = 481, calls = 45, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 206 [2022-12-14 09:12:27,604 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:12:27,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:12:27,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:12:27,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:12:27,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:12:27" (1/1) ... [2022-12-14 09:12:27,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:12:27" (1/1) ... [2022-12-14 09:12:27,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:12:27" (1/1) ... [2022-12-14 09:12:27,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:12:27" (1/1) ... [2022-12-14 09:12:27,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:12:27" (1/1) ... [2022-12-14 09:12:27,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:12:27" (1/1) ... [2022-12-14 09:12:27,632 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:12:27" (1/1) ... [2022-12-14 09:12:27,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:12:27" (1/1) ... [2022-12-14 09:12:27,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:12:27,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:12:27,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:12:27,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:12:27,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:12:27" (1/1) ... [2022-12-14 09:12:27,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:12:27,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8746e68-f43d-4d8d-bd9d-670804f1c92e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:12:27,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8746e68-f43d-4d8d-bd9d-670804f1c92e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:12:27,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8746e68-f43d-4d8d-bd9d-670804f1c92e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:12:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 09:12:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 09:12:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:12:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 09:12:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:12:27,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:12:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-12-14 09:12:27,688 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-12-14 09:12:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 09:12:27,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 09:12:27,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 09:12:27,690 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 09:12:27,932 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:12:27,934 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:12:28,266 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:12:28,275 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:12:28,275 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 09:12:28,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:12:28 BoogieIcfgContainer [2022-12-14 09:12:28,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:12:28,280 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:12:28,280 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:12:28,283 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:12:28,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:12:26" (1/3) ... [2022-12-14 09:12:28,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75b5f38b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:12:28, skipping insertion in model container [2022-12-14 09:12:28,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:12:27" (2/3) ... [2022-12-14 09:12:28,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75b5f38b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:12:28, skipping insertion in model container [2022-12-14 09:12:28,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:12:28" (3/3) ... [2022-12-14 09:12:28,286 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_2b-container_of-global.i [2022-12-14 09:12:28,294 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 09:12:28,302 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:12:28,302 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2022-12-14 09:12:28,302 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 09:12:28,368 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-14 09:12:28,399 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 09:12:28,412 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 315 places, 317 transitions, 650 flow [2022-12-14 09:12:28,415 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 315 places, 317 transitions, 650 flow [2022-12-14 09:12:28,417 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 315 places, 317 transitions, 650 flow [2022-12-14 09:12:28,558 INFO L130 PetriNetUnfolder]: 10/394 cut-off events. [2022-12-14 09:12:28,558 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-14 09:12:28,565 INFO L83 FinitePrefix]: Finished finitePrefix Result has 403 conditions, 394 events. 10/394 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 793 event pairs, 0 based on Foata normal form. 0/356 useless extension candidates. Maximal degree in co-relation 226. Up to 4 conditions per place. [2022-12-14 09:12:28,574 INFO L119 LiptonReduction]: Number of co-enabled transitions 15120 [2022-12-14 09:13:34,815 WARN L233 SmtUtils]: Spent 8.02s on a formula simplification. DAG size of input: 201 DAG size of output: 199 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 09:13:45,180 WARN L233 SmtUtils]: Spent 9.44s on a formula simplification. DAG size of input: 207 DAG size of output: 205 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 09:14:00,961 WARN L233 SmtUtils]: Spent 11.90s 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) [2022-12-14 09:14:06,436 WARN L233 SmtUtils]: Spent 5.47s on a formula simplification that was a NOOP. DAG size: 195 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 09:14:20,817 WARN L233 SmtUtils]: Spent 14.38s on a formula simplification. DAG size of input: 223 DAG size of output: 221 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 09:14:31,725 INFO L134 LiptonReduction]: Checked pairs total: 188752 [2022-12-14 09:14:31,725 INFO L136 LiptonReduction]: Total number of compositions: 297 [2022-12-14 09:14:31,732 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 112 places, 110 transitions, 236 flow [2022-12-14 09:14:32,134 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 21621 states, 21429 states have (on average 2.9539409211815766) internal successors, (63300), 21620 states have internal predecessors, (63300), 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) [2022-12-14 09:14:32,151 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:14:32,155 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;@36447da3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:14:32,155 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-12-14 09:14:32,181 INFO L276 IsEmpty]: Start isEmpty. Operand has 21621 states, 21429 states have (on average 2.9539409211815766) internal successors, (63300), 21620 states have internal predecessors, (63300), 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) [2022-12-14 09:14:32,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-12-14 09:14:32,185 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:14:32,185 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-12-14 09:14:32,186 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-14 09:14:32,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:14:32,190 INFO L85 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times [2022-12-14 09:14:32,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:14:32,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644650489] [2022-12-14 09:14:32,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:14:32,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:14:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:14:32,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:14:32,354 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:14:32,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644650489] [2022-12-14 09:14:32,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644650489] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:14:32,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:14:32,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-14 09:14:32,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820667916] [2022-12-14 09:14:32,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:14:32,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 09:14:32,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:14:32,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 09:14:32,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 09:14:32,403 INFO L87 Difference]: Start difference. First operand has 21621 states, 21429 states have (on average 2.9539409211815766) internal successors, (63300), 21620 states have internal predecessors, (63300), 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) [2022-12-14 09:14:32,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:14:32,734 INFO L93 Difference]: Finished difference Result 19864 states and 57022 transitions. [2022-12-14 09:14:32,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 09:14:32,737 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 [2022-12-14 09:14:32,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:14:32,830 INFO L225 Difference]: With dead ends: 19864 [2022-12-14 09:14:32,830 INFO L226 Difference]: Without dead ends: 19862 [2022-12-14 09:14:32,830 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 [2022-12-14 09:14:32,832 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:14:32,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 09:14:32,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19862 states. [2022-12-14 09:14:33,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19862 to 19862. [2022-12-14 09:14:33,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19862 states, 19743 states have (on average 2.888010940586537) internal successors, (57018), 19861 states have internal predecessors, (57018), 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) [2022-12-14 09:14:33,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19862 states to 19862 states and 57018 transitions. [2022-12-14 09:14:33,621 INFO L78 Accepts]: Start accepts. Automaton has 19862 states and 57018 transitions. Word has length 1 [2022-12-14 09:14:33,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:14:33,621 INFO L495 AbstractCegarLoop]: Abstraction has 19862 states and 57018 transitions. [2022-12-14 09:14:33,621 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) [2022-12-14 09:14:33,622 INFO L276 IsEmpty]: Start isEmpty. Operand 19862 states and 57018 transitions. [2022-12-14 09:14:33,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 09:14:33,622 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:14:33,623 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:14:33,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 09:14:33,623 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-14 09:14:33,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:14:33,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1942410886, now seen corresponding path program 1 times [2022-12-14 09:14:33,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:14:33,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267758311] [2022-12-14 09:14:33,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:14:33,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:14:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:14:34,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:14:34,168 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:14:34,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267758311] [2022-12-14 09:14:34,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267758311] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:14:34,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:14:34,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:14:34,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814233894] [2022-12-14 09:14:34,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:14:34,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 09:14:34,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:14:34,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 09:14:34,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:14:34,171 INFO L87 Difference]: Start difference. First operand 19862 states and 57018 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) [2022-12-14 09:14:34,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:14:34,811 INFO L93 Difference]: Finished difference Result 22452 states and 64560 transitions. [2022-12-14 09:14:34,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:14:34,812 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 [2022-12-14 09:14:34,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:14:34,881 INFO L225 Difference]: With dead ends: 22452 [2022-12-14 09:14:34,881 INFO L226 Difference]: Without dead ends: 22452 [2022-12-14 09:14:34,881 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 [2022-12-14 09:14:34,882 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 83 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 09:14:34,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 82 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 09:14:34,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22452 states. [2022-12-14 09:14:35,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22452 to 21932. [2022-12-14 09:14:35,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21932 states, 21814 states have (on average 2.890162281103878) internal successors, (63046), 21931 states have internal predecessors, (63046), 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) [2022-12-14 09:14:35,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21932 states to 21932 states and 63046 transitions. [2022-12-14 09:14:35,408 INFO L78 Accepts]: Start accepts. Automaton has 21932 states and 63046 transitions. Word has length 7 [2022-12-14 09:14:35,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:14:35,409 INFO L495 AbstractCegarLoop]: Abstraction has 21932 states and 63046 transitions. [2022-12-14 09:14:35,409 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) [2022-12-14 09:14:35,409 INFO L276 IsEmpty]: Start isEmpty. Operand 21932 states and 63046 transitions. [2022-12-14 09:14:35,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 09:14:35,409 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:14:35,409 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:14:35,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 09:14:35,410 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-14 09:14:35,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:14:35,410 INFO L85 PathProgramCache]: Analyzing trace with hash 2004604624, now seen corresponding path program 1 times [2022-12-14 09:14:35,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:14:35,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230827435] [2022-12-14 09:14:35,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:14:35,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:14:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:14:35,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:14:35,530 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:14:35,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230827435] [2022-12-14 09:14:35,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230827435] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:14:35,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:14:35,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 09:14:35,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891586800] [2022-12-14 09:14:35,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:14:35,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:14:35,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:14:35,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:14:35,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:14:35,532 INFO L87 Difference]: Start difference. First operand 21932 states and 63046 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) [2022-12-14 09:14:35,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:14:35,817 INFO L93 Difference]: Finished difference Result 21948 states and 63061 transitions. [2022-12-14 09:14:35,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:14:35,817 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 [2022-12-14 09:14:35,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:14:35,871 INFO L225 Difference]: With dead ends: 21948 [2022-12-14 09:14:35,871 INFO L226 Difference]: Without dead ends: 21948 [2022-12-14 09:14:35,871 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 [2022-12-14 09:14:35,872 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 72 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:14:35,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 162 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 09:14:35,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21948 states. [2022-12-14 09:14:36,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21948 to 21926. [2022-12-14 09:14:36,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21926 states, 21809 states have (on average 2.890549773029483) internal successors, (63040), 21925 states have internal predecessors, (63040), 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) [2022-12-14 09:14:36,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21926 states to 21926 states and 63040 transitions. [2022-12-14 09:14:36,258 INFO L78 Accepts]: Start accepts. Automaton has 21926 states and 63040 transitions. Word has length 7 [2022-12-14 09:14:36,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:14:36,259 INFO L495 AbstractCegarLoop]: Abstraction has 21926 states and 63040 transitions. [2022-12-14 09:14:36,259 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) [2022-12-14 09:14:36,259 INFO L276 IsEmpty]: Start isEmpty. Operand 21926 states and 63040 transitions. [2022-12-14 09:14:36,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 09:14:36,260 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:14:36,260 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:14:36,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 09:14:36,260 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-14 09:14:36,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:14:36,260 INFO L85 PathProgramCache]: Analyzing trace with hash 909336694, now seen corresponding path program 1 times [2022-12-14 09:14:36,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:14:36,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649932995] [2022-12-14 09:14:36,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:14:36,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:14:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:14:36,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:14:36,541 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:14:36,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649932995] [2022-12-14 09:14:36,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649932995] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:14:36,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:14:36,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:14:36,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982774590] [2022-12-14 09:14:36,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:14:36,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 09:14:36,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:14:36,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 09:14:36,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:14:36,543 INFO L87 Difference]: Start difference. First operand 21926 states and 63040 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) [2022-12-14 09:14:37,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:14:37,268 INFO L93 Difference]: Finished difference Result 26193 states and 75521 transitions. [2022-12-14 09:14:37,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:14:37,269 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 [2022-12-14 09:14:37,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:14:37,340 INFO L225 Difference]: With dead ends: 26193 [2022-12-14 09:14:37,340 INFO L226 Difference]: Without dead ends: 26193 [2022-12-14 09:14:37,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:14:37,341 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 115 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 09:14:37,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 73 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 09:14:37,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26193 states. [2022-12-14 09:14:37,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26193 to 25265. [2022-12-14 09:14:37,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25265 states, 25148 states have (on average 2.895021472880547) internal successors, (72804), 25264 states have internal predecessors, (72804), 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) [2022-12-14 09:14:37,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25265 states to 25265 states and 72804 transitions. [2022-12-14 09:14:37,918 INFO L78 Accepts]: Start accepts. Automaton has 25265 states and 72804 transitions. Word has length 9 [2022-12-14 09:14:37,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:14:37,918 INFO L495 AbstractCegarLoop]: Abstraction has 25265 states and 72804 transitions. [2022-12-14 09:14:37,919 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) [2022-12-14 09:14:37,919 INFO L276 IsEmpty]: Start isEmpty. Operand 25265 states and 72804 transitions. [2022-12-14 09:14:37,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 09:14:37,920 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:14:37,920 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:14:37,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 09:14:37,920 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-14 09:14:37,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:14:37,921 INFO L85 PathProgramCache]: Analyzing trace with hash 699151901, now seen corresponding path program 1 times [2022-12-14 09:14:37,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:14:37,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163025114] [2022-12-14 09:14:37,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:14:37,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:14:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:14:38,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:14:38,216 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:14:38,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163025114] [2022-12-14 09:14:38,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163025114] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:14:38,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:14:38,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:14:38,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276050223] [2022-12-14 09:14:38,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:14:38,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 09:14:38,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:14:38,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 09:14:38,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:14:38,217 INFO L87 Difference]: Start difference. First operand 25265 states and 72804 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) [2022-12-14 09:14:39,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:14:39,206 INFO L93 Difference]: Finished difference Result 28150 states and 80399 transitions. [2022-12-14 09:14:39,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:14:39,207 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 [2022-12-14 09:14:39,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:14:39,265 INFO L225 Difference]: With dead ends: 28150 [2022-12-14 09:14:39,265 INFO L226 Difference]: Without dead ends: 28150 [2022-12-14 09:14:39,265 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 [2022-12-14 09:14:39,266 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 87 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:14:39,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 83 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 681 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 09:14:39,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28150 states. [2022-12-14 09:14:39,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28150 to 27333. [2022-12-14 09:14:39,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27333 states, 27216 states have (on average 2.8962375073486184) internal successors, (78824), 27332 states have internal predecessors, (78824), 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) [2022-12-14 09:14:39,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27333 states to 27333 states and 78824 transitions. [2022-12-14 09:14:39,792 INFO L78 Accepts]: Start accepts. Automaton has 27333 states and 78824 transitions. Word has length 11 [2022-12-14 09:14:39,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:14:39,793 INFO L495 AbstractCegarLoop]: Abstraction has 27333 states and 78824 transitions. [2022-12-14 09:14:39,793 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) [2022-12-14 09:14:39,793 INFO L276 IsEmpty]: Start isEmpty. Operand 27333 states and 78824 transitions. [2022-12-14 09:14:39,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 09:14:39,795 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:14:39,795 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:14:39,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 09:14:39,795 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-14 09:14:39,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:14:39,796 INFO L85 PathProgramCache]: Analyzing trace with hash -765409688, now seen corresponding path program 1 times [2022-12-14 09:14:39,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:14:39,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038353135] [2022-12-14 09:14:39,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:14:39,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:14:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:14:40,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:14:40,123 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:14:40,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038353135] [2022-12-14 09:14:40,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038353135] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:14:40,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:14:40,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:14:40,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313158755] [2022-12-14 09:14:40,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:14:40,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 09:14:40,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:14:40,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 09:14:40,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:14:40,124 INFO L87 Difference]: Start difference. First operand 27333 states and 78824 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) [2022-12-14 09:14:41,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:14:41,571 INFO L93 Difference]: Finished difference Result 31869 states and 92055 transitions. [2022-12-14 09:14:41,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:14:41,572 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 [2022-12-14 09:14:41,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:14:41,634 INFO L225 Difference]: With dead ends: 31869 [2022-12-14 09:14:41,634 INFO L226 Difference]: Without dead ends: 31869 [2022-12-14 09:14:41,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:14:41,635 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 126 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 1120 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 1122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:14:41,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 85 Invalid, 1122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1120 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 09:14:41,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31869 states. [2022-12-14 09:14:42,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31869 to 30701. [2022-12-14 09:14:42,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30701 states, 30584 states have (on average 2.8981166623070886) internal successors, (88636), 30700 states have internal predecessors, (88636), 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) [2022-12-14 09:14:42,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30701 states to 30701 states and 88636 transitions. [2022-12-14 09:14:42,139 INFO L78 Accepts]: Start accepts. Automaton has 30701 states and 88636 transitions. Word has length 11 [2022-12-14 09:14:42,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:14:42,139 INFO L495 AbstractCegarLoop]: Abstraction has 30701 states and 88636 transitions. [2022-12-14 09:14:42,139 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) [2022-12-14 09:14:42,139 INFO L276 IsEmpty]: Start isEmpty. Operand 30701 states and 88636 transitions. [2022-12-14 09:14:42,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 09:14:42,140 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:14:42,140 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:14:42,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 09:14:42,141 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-14 09:14:42,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:14:42,141 INFO L85 PathProgramCache]: Analyzing trace with hash 48523646, now seen corresponding path program 1 times [2022-12-14 09:14:42,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:14:42,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965899797] [2022-12-14 09:14:42,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:14:42,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:14:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:14:42,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:14:42,421 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:14:42,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965899797] [2022-12-14 09:14:42,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965899797] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:14:42,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:14:42,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:14:42,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587509361] [2022-12-14 09:14:42,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:14:42,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 09:14:42,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:14:42,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 09:14:42,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:14:42,422 INFO L87 Difference]: Start difference. First operand 30701 states and 88636 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) [2022-12-14 09:14:43,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:14:43,207 INFO L93 Difference]: Finished difference Result 33461 states and 96680 transitions. [2022-12-14 09:14:43,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:14:43,208 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 [2022-12-14 09:14:43,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:14:43,271 INFO L225 Difference]: With dead ends: 33461 [2022-12-14 09:14:43,271 INFO L226 Difference]: Without dead ends: 33461 [2022-12-14 09:14:43,271 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 [2022-12-14 09:14:43,272 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 82 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 651 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 09:14:43,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 85 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 651 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 09:14:43,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33461 states. [2022-12-14 09:14:43,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33461 to 32764. [2022-12-14 09:14:43,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32764 states, 32648 states have (on average 2.898891203136486) internal successors, (94643), 32763 states have internal predecessors, (94643), 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) [2022-12-14 09:14:43,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32764 states to 32764 states and 94643 transitions. [2022-12-14 09:14:43,784 INFO L78 Accepts]: Start accepts. Automaton has 32764 states and 94643 transitions. Word has length 13 [2022-12-14 09:14:43,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:14:43,784 INFO L495 AbstractCegarLoop]: Abstraction has 32764 states and 94643 transitions. [2022-12-14 09:14:43,784 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) [2022-12-14 09:14:43,784 INFO L276 IsEmpty]: Start isEmpty. Operand 32764 states and 94643 transitions. [2022-12-14 09:14:43,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 09:14:43,785 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:14:43,785 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:14:43,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 09:14:43,786 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-14 09:14:43,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:14:43,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1529290095, now seen corresponding path program 1 times [2022-12-14 09:14:43,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:14:43,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482931821] [2022-12-14 09:14:43,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:14:43,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:14:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:14:43,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:14:43,841 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:14:43,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482931821] [2022-12-14 09:14:43,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482931821] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:14:43,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:14:43,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:14:43,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034829878] [2022-12-14 09:14:43,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:14:43,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:14:43,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:14:43,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:14:43,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:14:43,843 INFO L87 Difference]: Start difference. First operand 32764 states and 94643 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) [2022-12-14 09:14:44,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:14:44,045 INFO L93 Difference]: Finished difference Result 8725 states and 24394 transitions. [2022-12-14 09:14:44,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:14:44,045 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 [2022-12-14 09:14:44,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:14:44,062 INFO L225 Difference]: With dead ends: 8725 [2022-12-14 09:14:44,062 INFO L226 Difference]: Without dead ends: 8725 [2022-12-14 09:14:44,062 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 [2022-12-14 09:14:44,063 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 82 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:14:44,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 164 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 09:14:44,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8725 states. [2022-12-14 09:14:44,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8725 to 8704. [2022-12-14 09:14:44,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8704 states, 8667 states have (on average 2.8122764509057343) internal successors, (24374), 8703 states have internal predecessors, (24374), 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) [2022-12-14 09:14:44,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8704 states to 8704 states and 24374 transitions. [2022-12-14 09:14:44,181 INFO L78 Accepts]: Start accepts. Automaton has 8704 states and 24374 transitions. Word has length 14 [2022-12-14 09:14:44,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:14:44,182 INFO L495 AbstractCegarLoop]: Abstraction has 8704 states and 24374 transitions. [2022-12-14 09:14:44,182 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) [2022-12-14 09:14:44,182 INFO L276 IsEmpty]: Start isEmpty. Operand 8704 states and 24374 transitions. [2022-12-14 09:14:44,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 09:14:44,183 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:14:44,183 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:14:44,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 09:14:44,183 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-14 09:14:44,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:14:44,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1529278594, now seen corresponding path program 1 times [2022-12-14 09:14:44,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:14:44,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9977833] [2022-12-14 09:14:44,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:14:44,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:14:44,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:14:44,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:14:44,660 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:14:44,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9977833] [2022-12-14 09:14:44,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9977833] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:14:44,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:14:44,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 09:14:44,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115319887] [2022-12-14 09:14:44,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:14:44,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 09:14:44,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:14:44,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 09:14:44,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-12-14 09:14:44,661 INFO L87 Difference]: Start difference. First operand 8704 states and 24374 transitions. Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 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) [2022-12-14 09:14:45,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:14:45,797 INFO L93 Difference]: Finished difference Result 9767 states and 27367 transitions. [2022-12-14 09:14:45,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 09:14:45,798 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 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 [2022-12-14 09:14:45,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:14:45,818 INFO L225 Difference]: With dead ends: 9767 [2022-12-14 09:14:45,818 INFO L226 Difference]: Without dead ends: 9767 [2022-12-14 09:14:45,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-12-14 09:14:45,818 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 241 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 963 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:14:45,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 76 Invalid, 982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 963 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 09:14:45,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9767 states. [2022-12-14 09:14:45,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9767 to 8925. [2022-12-14 09:14:45,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8925 states, 8888 states have (on average 2.8168316831683167) internal successors, (25036), 8924 states have internal predecessors, (25036), 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) [2022-12-14 09:14:45,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8925 states to 8925 states and 25036 transitions. [2022-12-14 09:14:45,990 INFO L78 Accepts]: Start accepts. Automaton has 8925 states and 25036 transitions. Word has length 14 [2022-12-14 09:14:45,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:14:45,990 INFO L495 AbstractCegarLoop]: Abstraction has 8925 states and 25036 transitions. [2022-12-14 09:14:45,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 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) [2022-12-14 09:14:45,991 INFO L276 IsEmpty]: Start isEmpty. Operand 8925 states and 25036 transitions. [2022-12-14 09:14:45,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 09:14:45,992 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:14:45,992 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:14:45,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 09:14:45,992 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-14 09:14:45,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:14:45,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1526778289, now seen corresponding path program 1 times [2022-12-14 09:14:45,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:14:45,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746687725] [2022-12-14 09:14:45,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:14:45,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:14:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 09:14:46,039 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 09:14:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 09:14:46,092 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 09:14:46,092 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 09:14:46,093 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2022-12-14 09:14:46,095 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2022-12-14 09:14:46,095 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2022-12-14 09:14:46,095 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2022-12-14 09:14:46,095 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2022-12-14 09:14:46,096 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2022-12-14 09:14:46,096 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2022-12-14 09:14:46,096 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2022-12-14 09:14:46,096 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2022-12-14 09:14:46,096 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2022-12-14 09:14:46,096 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2022-12-14 09:14:46,096 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2022-12-14 09:14:46,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2022-12-14 09:14:46,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2022-12-14 09:14:46,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 27 remaining) [2022-12-14 09:14:46,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 27 remaining) [2022-12-14 09:14:46,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (10 of 27 remaining) [2022-12-14 09:14:46,098 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (9 of 27 remaining) [2022-12-14 09:14:46,098 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2022-12-14 09:14:46,098 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2022-12-14 09:14:46,098 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2022-12-14 09:14:46,098 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2022-12-14 09:14:46,098 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2022-12-14 09:14:46,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2022-12-14 09:14:46,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2022-12-14 09:14:46,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2022-12-14 09:14:46,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2022-12-14 09:14:46,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 09:14:46,101 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:14:46,106 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 09:14:46,106 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 09:14:46,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 09:14:46 BasicIcfg [2022-12-14 09:14:46,140 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 09:14:46,140 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 09:14:46,140 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 09:14:46,141 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 09:14:46,141 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:12:28" (3/4) ... [2022-12-14 09:14:46,143 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 09:14:46,143 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 09:14:46,144 INFO L158 Benchmark]: Toolchain (without parser) took 139270.91ms. Allocated memory was 169.9MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 134.2MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 793.4MB. Max. memory is 16.1GB. [2022-12-14 09:14:46,144 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 107.0MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:14:46,144 INFO L158 Benchmark]: CACSL2BoogieTranslator took 687.08ms. Allocated memory is still 169.9MB. Free memory was 134.2MB in the beginning and 130.3MB in the end (delta: 3.8MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2022-12-14 09:14:46,144 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.88ms. Allocated memory is still 169.9MB. Free memory was 130.3MB in the beginning and 126.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 09:14:46,145 INFO L158 Benchmark]: Boogie Preprocessor took 33.06ms. Allocated memory is still 169.9MB. Free memory was 126.1MB in the beginning and 121.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 09:14:46,145 INFO L158 Benchmark]: RCFGBuilder took 639.75ms. Allocated memory is still 169.9MB. Free memory was 121.9MB in the beginning and 88.4MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-12-14 09:14:46,145 INFO L158 Benchmark]: TraceAbstraction took 137860.08ms. Allocated memory was 169.9MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 88.4MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 746.0MB. Max. memory is 16.1GB. [2022-12-14 09:14:46,145 INFO L158 Benchmark]: Witness Printer took 3.01ms. Allocated memory is still 2.5GB. Free memory is still 1.7GB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:14:46,147 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 107.0MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 687.08ms. Allocated memory is still 169.9MB. Free memory was 134.2MB in the beginning and 130.3MB in the end (delta: 3.8MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.88ms. Allocated memory is still 169.9MB. Free memory was 130.3MB in the beginning and 126.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.06ms. Allocated memory is still 169.9MB. Free memory was 126.1MB in the beginning and 121.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 639.75ms. Allocated memory is still 169.9MB. Free memory was 121.9MB in the beginning and 88.4MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 137860.08ms. Allocated memory was 169.9MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 88.4MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 746.0MB. Max. memory is 16.1GB. * Witness Printer took 3.01ms. Allocated memory is still 2.5GB. Free memory is still 1.7GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 123.3s, 315 PlacesBefore, 112 PlacesAfterwards, 317 TransitionsBefore, 110 TransitionsAfterwards, 15120 CoEnabledTransitionPairs, 18 FixpointIterations, 164 TrivialSequentialCompositions, 89 ConcurrentSequentialCompositions, 11 TrivialYvCompositions, 29 ConcurrentYvCompositions, 4 ChoiceCompositions, 297 TotalNumberOfCompositions, 188752 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 19564, independent: 16466, independent conditional: 0, independent unconditional: 16466, dependent: 3026, dependent conditional: 0, dependent unconditional: 3026, unknown: 72, unknown conditional: 0, unknown unconditional: 72] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8513, independent: 8246, independent conditional: 0, independent unconditional: 8246, dependent: 256, dependent conditional: 0, dependent unconditional: 256, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8513, independent: 7607, independent conditional: 0, independent unconditional: 7607, dependent: 906, dependent conditional: 0, dependent unconditional: 906, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 906, independent: 639, independent conditional: 0, independent unconditional: 639, dependent: 256, dependent conditional: 0, dependent unconditional: 256, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24829, independent: 456, independent conditional: 0, independent unconditional: 456, dependent: 861, dependent conditional: 0, dependent unconditional: 861, unknown: 23511, unknown conditional: 0, unknown unconditional: 23511] ], Cache Queries: [ total: 19564, independent: 8220, independent conditional: 0, independent unconditional: 8220, dependent: 2770, dependent conditional: 0, dependent unconditional: 2770, unknown: 8574, unknown conditional: 0, unknown unconditional: 8574] , Statistics on independence cache: Total cache size (in pairs): 864, Positive cache size: 668, Positive conditional cache size: 0, Positive unconditional cache size: 668, Negative cache size: 196, Negative conditional cache size: 0, Negative unconditional cache size: 196, Unknown cache size: 4, Unknown conditional cache size: 0, Unknown unconditional cache size: 4 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 1710]: Data race detected Data race detected The following path leads to a data race: [L1694] 0 pthread_t t1,t2; [L1706] 0 struct device *my_dev; [L1744] CALL, EXPR 0 my_drv_init() [L1738] 0 return 0; [L1744] RET, EXPR 0 my_drv_init() [L1744] 0 int ret = my_drv_init(); [L1745] COND TRUE 0 ret==0 [L1746] 0 int probe_ret; [L1747] 0 struct my_data data; [L1748] CALL 0 my_drv_probe(&data) [L1716] 0 data->shared.a = 0 [L1717] 0 data->shared.b = 0 [L1718] EXPR 0 data->shared.a [L1718] EXPR 0 data->shared.a==0 [L1718] CALL 0 ldv_assert(data->shared.a==0) [L1693] COND FALSE 0 !(!expression) [L1718] RET 0 ldv_assert(data->shared.a==0) [L1719] EXPR 0 data->shared.b [L1719] EXPR 0 data->shared.b==0 [L1719] CALL 0 ldv_assert(data->shared.b==0) [L1693] COND FALSE 0 !(!expression) [L1719] RET 0 ldv_assert(data->shared.b==0) [L1720] 0 int res = __VERIFIER_nondet_int(); [L1721] COND FALSE 0 !(\read(res)) [L1723] 0 my_dev = &data->dev [L1724] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, data={5:0}, data={5:0}, my_dev={5:24}, pthread_create(&t1, ((void *)0), my_callback, ((void *)0))=-1, res=0, t1={3:0}, t2={4:0}] [L1708] 1 struct my_data *data; [L1709] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); [L1709] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1710] 1 data->shared.a = 1 VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, data->shared.a = 1=1151, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1725] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, ((void *)0)) VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, data={5:0}, data={5:0}, data->shared.a = 1=1151, my_dev={5:24}, pthread_create(&t2, ((void *)0), my_callback, ((void *)0))=0, res=0, t1={3:0}, t2={4:0}] [L1708] 2 struct my_data *data; [L1709] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); [L1709] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1710] 2 data->shared.a = 1 VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, data->shared.a = 1=1158, my_dev={5:24}, t1={3:0}, t2={4:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: data->shared.b==0 [1719] * C: my_dev = &data->dev [1723] * C: data->shared.a = 0 [1716] * C: data->shared.a==0 [1718] * C: data->shared.a = 0 [1716] * C: data->shared.b = 0 [1717] * C: data->shared.b = 0 [1717] * C: data->shared.a==0 [1718] * C: data->shared.b==0 [1719] * C: const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); [1709] * C: data->shared.b==0 [1719] * C: data->shared.a = 0 [1716] * C: data->shared.a==0 [1718] * C: data->shared.a==0 [1718] * C: data->shared.b = 0 [1717] * C: data->shared.b==0 [1719] * C: data->shared.a = 0 [1716] * C: data->shared.b = 0 [1717] and C: data->shared.a = 1 [1710] - UnprovableResult [Line: 1716]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1717]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1718]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1719]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1723]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1755]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1733]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1756]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1734]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1757]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1751]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1758]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1752]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1725]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1724]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1709]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1711]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1711]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 347 locations, 27 error locations. Started 1 CEGAR loops. OverallTime: 137.7s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 123.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 888 SdHoareTripleChecker+Valid, 5.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 888 mSDsluCounter, 877 SdHoareTripleChecker+Invalid, 4.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 210 mSDsCounter, 70 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4640 IncrementalHoareTripleChecker+Invalid, 4710 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70 mSolverCounterUnsat, 667 mSDtfsCounter, 4640 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32764occurred in iteration=7, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 5015 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 78 ConstructedInterpolants, 0 QuantifiedInterpolants, 817 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 09:14:46,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8746e68-f43d-4d8d-bd9d-670804f1c92e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE