./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-2_3b-container_of.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_e51698db-d4bd-4c5d-98b6-8e67fa93c525/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51698db-d4bd-4c5d-98b6-8e67fa93c525/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_e51698db-d4bd-4c5d-98b6-8e67fa93c525/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51698db-d4bd-4c5d-98b6-8e67fa93c525/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_3b-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51698db-d4bd-4c5d-98b6-8e67fa93c525/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_e51698db-d4bd-4c5d-98b6-8e67fa93c525/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 0cabfb562ba6db3565aeefcac93f8b58d01fa462eed650e93390c0861cc54f4f --- 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 13:57:21,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 13:57:21,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 13:57:21,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 13:57:21,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 13:57:21,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 13:57:21,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 13:57:21,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 13:57:21,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 13:57:21,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 13:57:21,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 13:57:21,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 13:57:21,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 13:57:21,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 13:57:21,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 13:57:21,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 13:57:21,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 13:57:21,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 13:57:21,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 13:57:21,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 13:57:21,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 13:57:21,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 13:57:21,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 13:57:21,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 13:57:21,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 13:57:21,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 13:57:21,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 13:57:21,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 13:57:21,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 13:57:21,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 13:57:21,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 13:57:21,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 13:57:21,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 13:57:21,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 13:57:21,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 13:57:21,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 13:57:21,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 13:57:21,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 13:57:21,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 13:57:21,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 13:57:21,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 13:57:21,557 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51698db-d4bd-4c5d-98b6-8e67fa93c525/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 13:57:21,580 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 13:57:21,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 13:57:21,581 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 13:57:21,581 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 13:57:21,581 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 13:57:21,581 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 13:57:21,582 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 13:57:21,582 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 13:57:21,582 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 13:57:21,582 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 13:57:21,582 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 13:57:21,582 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 13:57:21,583 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 13:57:21,583 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 13:57:21,583 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 13:57:21,583 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 13:57:21,583 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 13:57:21,583 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 13:57:21,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 13:57:21,584 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 13:57:21,584 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 13:57:21,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 13:57:21,585 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 13:57:21,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 13:57:21,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 13:57:21,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 13:57:21,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 13:57:21,586 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 13:57:21,586 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 13:57:21,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 13:57:21,586 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 13:57:21,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 13:57:21,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 13:57:21,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 13:57:21,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:57:21,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 13:57:21,587 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 13:57:21,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 13:57:21,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 13:57:21,588 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 13:57:21,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 13:57:21,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 13:57:21,588 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 13:57:21,588 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_e51698db-d4bd-4c5d-98b6-8e67fa93c525/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51698db-d4bd-4c5d-98b6-8e67fa93c525/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cabfb562ba6db3565aeefcac93f8b58d01fa462eed650e93390c0861cc54f4f [2022-12-14 13:57:21,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 13:57:21,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 13:57:21,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 13:57:21,817 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 13:57:21,818 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 13:57:21,819 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51698db-d4bd-4c5d-98b6-8e67fa93c525/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-races/race-2_3b-container_of.i [2022-12-14 13:57:24,386 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 13:57:24,627 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 13:57:24,628 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51698db-d4bd-4c5d-98b6-8e67fa93c525/sv-benchmarks/c/ldv-races/race-2_3b-container_of.i [2022-12-14 13:57:24,645 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51698db-d4bd-4c5d-98b6-8e67fa93c525/bin/utaipan-gh47qXpMRh/data/a09d7d406/cd2672ba674749a3890098d348b398d4/FLAG7b206783f [2022-12-14 13:57:24,657 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51698db-d4bd-4c5d-98b6-8e67fa93c525/bin/utaipan-gh47qXpMRh/data/a09d7d406/cd2672ba674749a3890098d348b398d4 [2022-12-14 13:57:24,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 13:57:24,661 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 13:57:24,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 13:57:24,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 13:57:24,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 13:57:24,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:57:24" (1/1) ... [2022-12-14 13:57:24,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f044e52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:57:24, skipping insertion in model container [2022-12-14 13:57:24,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:57:24" (1/1) ... [2022-12-14 13:57:24,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 13:57:24,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 13:57:25,219 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_e51698db-d4bd-4c5d-98b6-8e67fa93c525/sv-benchmarks/c/ldv-races/race-2_3b-container_of.i[76077,76090] [2022-12-14 13:57:25,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:57:25,277 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 13:57:25,324 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_e51698db-d4bd-4c5d-98b6-8e67fa93c525/sv-benchmarks/c/ldv-races/race-2_3b-container_of.i[76077,76090] [2022-12-14 13:57:25,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:57:25,484 INFO L208 MainTranslator]: Completed translation [2022-12-14 13:57:25,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:57:25 WrapperNode [2022-12-14 13:57:25,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 13:57:25,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 13:57:25,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 13:57:25,486 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 13:57:25,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:57:25" (1/1) ... [2022-12-14 13:57:25,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:57:25" (1/1) ... [2022-12-14 13:57:25,549 INFO L138 Inliner]: procedures = 482, calls = 48, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 217 [2022-12-14 13:57:25,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 13:57:25,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 13:57:25,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 13:57:25,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 13:57:25,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:57:25" (1/1) ... [2022-12-14 13:57:25,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:57:25" (1/1) ... [2022-12-14 13:57:25,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:57:25" (1/1) ... [2022-12-14 13:57:25,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:57:25" (1/1) ... [2022-12-14 13:57:25,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:57:25" (1/1) ... [2022-12-14 13:57:25,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:57:25" (1/1) ... [2022-12-14 13:57:25,595 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:57:25" (1/1) ... [2022-12-14 13:57:25,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:57:25" (1/1) ... [2022-12-14 13:57:25,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 13:57:25,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 13:57:25,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 13:57:25,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 13:57:25,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:57:25" (1/1) ... [2022-12-14 13:57:25,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:57:25,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51698db-d4bd-4c5d-98b6-8e67fa93c525/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:57:25,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51698db-d4bd-4c5d-98b6-8e67fa93c525/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 13:57:25,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51698db-d4bd-4c5d-98b6-8e67fa93c525/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 13:57:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 13:57:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 13:57:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 13:57:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 13:57:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 13:57:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 13:57:25,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 13:57:25,671 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-12-14 13:57:25,671 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-12-14 13:57:25,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 13:57:25,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 13:57:25,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 13:57:25,673 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 13:57:25,918 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 13:57:25,920 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 13:57:26,271 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 13:57:26,277 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 13:57:26,277 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 13:57:26,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:57:26 BoogieIcfgContainer [2022-12-14 13:57:26,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 13:57:26,281 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 13:57:26,281 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 13:57:26,283 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 13:57:26,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 01:57:24" (1/3) ... [2022-12-14 13:57:26,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b81b59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:57:26, skipping insertion in model container [2022-12-14 13:57:26,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:57:25" (2/3) ... [2022-12-14 13:57:26,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b81b59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:57:26, skipping insertion in model container [2022-12-14 13:57:26,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:57:26" (3/3) ... [2022-12-14 13:57:26,285 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_3b-container_of.i [2022-12-14 13:57:26,298 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 13:57:26,305 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 13:57:26,305 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2022-12-14 13:57:26,306 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 13:57:26,358 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-14 13:57:26,391 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 13:57:26,402 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 329 places, 331 transitions, 678 flow [2022-12-14 13:57:26,404 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 329 places, 331 transitions, 678 flow [2022-12-14 13:57:26,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 329 places, 331 transitions, 678 flow [2022-12-14 13:57:26,491 INFO L130 PetriNetUnfolder]: 10/408 cut-off events. [2022-12-14 13:57:26,492 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-14 13:57:26,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 417 conditions, 408 events. 10/408 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 744 event pairs, 0 based on Foata normal form. 0/371 useless extension candidates. Maximal degree in co-relation 218. Up to 4 conditions per place. [2022-12-14 13:57:26,504 INFO L119 LiptonReduction]: Number of co-enabled transitions 23112 [2022-12-14 13:58:27,429 WARN L233 SmtUtils]: Spent 5.20s on a formula simplification that was a NOOP. DAG size: 118 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 13:58:36,395 WARN L233 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 118 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 13:59:03,737 INFO L134 LiptonReduction]: Checked pairs total: 369505 [2022-12-14 13:59:03,737 INFO L136 LiptonReduction]: Total number of compositions: 306 [2022-12-14 13:59:03,742 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 136 places, 136 transitions, 288 flow [2022-12-14 13:59:04,428 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 37170 states, 36981 states have (on average 2.9693356047700172) internal successors, (109809), 37169 states have internal predecessors, (109809), 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 13:59:04,442 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 13:59:04,446 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;@4fd70406, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 13:59:04,446 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2022-12-14 13:59:04,535 INFO L276 IsEmpty]: Start isEmpty. Operand has 37170 states, 36981 states have (on average 2.9693356047700172) internal successors, (109809), 37169 states have internal predecessors, (109809), 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 13:59:04,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-12-14 13:59:04,539 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:59:04,540 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-12-14 13:59:04,540 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 13:59:04,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:59:04,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1024, now seen corresponding path program 1 times [2022-12-14 13:59:04,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:59:04,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861114504] [2022-12-14 13:59:04,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:59:04,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:59:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:59:04,717 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 13:59:04,718 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:59:04,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861114504] [2022-12-14 13:59:04,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861114504] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:59:04,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:59:04,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-14 13:59:04,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911699304] [2022-12-14 13:59:04,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:59:04,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 13:59:04,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:59:04,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 13:59:04,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 13:59:04,784 INFO L87 Difference]: Start difference. First operand has 37170 states, 36981 states have (on average 2.9693356047700172) internal successors, (109809), 37169 states have internal predecessors, (109809), 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 13:59:05,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:59:05,315 INFO L93 Difference]: Finished difference Result 37166 states and 107500 transitions. [2022-12-14 13:59:05,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 13:59:05,318 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 13:59:05,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:59:05,496 INFO L225 Difference]: With dead ends: 37166 [2022-12-14 13:59:05,496 INFO L226 Difference]: Without dead ends: 37161 [2022-12-14 13:59:05,497 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 13:59:05,500 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:59:05,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 13:59:05,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37161 states. [2022-12-14 13:59:06,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37161 to 37161. [2022-12-14 13:59:06,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37161 states, 36978 states have (on average 2.9067824111633946) internal successors, (107487), 37160 states have internal predecessors, (107487), 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 13:59:06,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37161 states to 37161 states and 107487 transitions. [2022-12-14 13:59:06,761 INFO L78 Accepts]: Start accepts. Automaton has 37161 states and 107487 transitions. Word has length 1 [2022-12-14 13:59:06,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:59:06,762 INFO L495 AbstractCegarLoop]: Abstraction has 37161 states and 107487 transitions. [2022-12-14 13:59:06,762 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 13:59:06,762 INFO L276 IsEmpty]: Start isEmpty. Operand 37161 states and 107487 transitions. [2022-12-14 13:59:06,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 13:59:06,763 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:59:06,763 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:59:06,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 13:59:06,764 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 13:59:06,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:59:06,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1659257910, now seen corresponding path program 1 times [2022-12-14 13:59:06,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:59:06,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307497436] [2022-12-14 13:59:06,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:59:06,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:59:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:59:06,978 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 13:59:06,978 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:59:06,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307497436] [2022-12-14 13:59:06,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307497436] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:59:06,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:59:06,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 13:59:06,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868662323] [2022-12-14 13:59:06,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:59:06,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:59:06,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:59:06,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:59:06,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:59:06,982 INFO L87 Difference]: Start difference. First operand 37161 states and 107487 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 13:59:07,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:59:07,406 INFO L93 Difference]: Finished difference Result 37178 states and 107503 transitions. [2022-12-14 13:59:07,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:59:07,407 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 13:59:07,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:59:07,517 INFO L225 Difference]: With dead ends: 37178 [2022-12-14 13:59:07,517 INFO L226 Difference]: Without dead ends: 37178 [2022-12-14 13:59:07,517 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 13:59:07,518 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 74 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 13:59:07,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 203 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 13:59:07,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37178 states. [2022-12-14 13:59:08,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37178 to 37155. [2022-12-14 13:59:08,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37155 states, 36973 states have (on average 2.9070132258675248) internal successors, (107481), 37154 states have internal predecessors, (107481), 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 13:59:08,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37155 states to 37155 states and 107481 transitions. [2022-12-14 13:59:08,317 INFO L78 Accepts]: Start accepts. Automaton has 37155 states and 107481 transitions. Word has length 7 [2022-12-14 13:59:08,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:59:08,317 INFO L495 AbstractCegarLoop]: Abstraction has 37155 states and 107481 transitions. [2022-12-14 13:59:08,318 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 13:59:08,318 INFO L276 IsEmpty]: Start isEmpty. Operand 37155 states and 107481 transitions. [2022-12-14 13:59:08,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 13:59:08,318 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:59:08,318 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:59:08,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 13:59:08,318 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 13:59:08,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:59:08,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1789813992, now seen corresponding path program 1 times [2022-12-14 13:59:08,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:59:08,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038153516] [2022-12-14 13:59:08,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:59:08,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:59:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:59:08,596 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 13:59:08,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:59:08,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038153516] [2022-12-14 13:59:08,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038153516] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:59:08,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:59:08,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 13:59:08,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71175086] [2022-12-14 13:59:08,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:59:08,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 13:59:08,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:59:08,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 13:59:08,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 13:59:08,598 INFO L87 Difference]: Start difference. First operand 37155 states and 107481 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 13:59:09,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:59:09,780 INFO L93 Difference]: Finished difference Result 39413 states and 114065 transitions. [2022-12-14 13:59:09,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 13:59:09,781 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 13:59:09,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:59:09,944 INFO L225 Difference]: With dead ends: 39413 [2022-12-14 13:59:09,944 INFO L226 Difference]: Without dead ends: 39413 [2022-12-14 13:59:09,944 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 13:59:09,945 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 88 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 972 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 13:59:09,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 107 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 972 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 13:59:10,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39413 states. [2022-12-14 13:59:10,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39413 to 39413. [2022-12-14 13:59:10,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39413 states, 39232 states have (on average 2.9074480016313213) internal successors, (114065), 39412 states have internal predecessors, (114065), 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 13:59:10,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39413 states to 39413 states and 114065 transitions. [2022-12-14 13:59:10,933 INFO L78 Accepts]: Start accepts. Automaton has 39413 states and 114065 transitions. Word has length 7 [2022-12-14 13:59:10,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:59:10,933 INFO L495 AbstractCegarLoop]: Abstraction has 39413 states and 114065 transitions. [2022-12-14 13:59:10,934 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 13:59:10,934 INFO L276 IsEmpty]: Start isEmpty. Operand 39413 states and 114065 transitions. [2022-12-14 13:59:10,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 13:59:10,934 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:59:10,934 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:59:10,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 13:59:10,935 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 13:59:10,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:59:10,935 INFO L85 PathProgramCache]: Analyzing trace with hash 26102537, now seen corresponding path program 1 times [2022-12-14 13:59:10,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:59:10,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139141962] [2022-12-14 13:59:10,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:59:10,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:59:10,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:59:11,348 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 13:59:11,349 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:59:11,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139141962] [2022-12-14 13:59:11,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139141962] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:59:11,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:59:11,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 13:59:11,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943706443] [2022-12-14 13:59:11,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:59:11,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 13:59:11,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:59:11,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 13:59:11,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 13:59:11,351 INFO L87 Difference]: Start difference. First operand 39413 states and 114065 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 13:59:12,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:59:12,416 INFO L93 Difference]: Finished difference Result 47145 states and 136819 transitions. [2022-12-14 13:59:12,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 13:59:12,417 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 13:59:12,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:59:12,574 INFO L225 Difference]: With dead ends: 47145 [2022-12-14 13:59:12,574 INFO L226 Difference]: Without dead ends: 47145 [2022-12-14 13:59:12,575 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 13:59:12,575 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 162 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 934 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 13:59:12,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 104 Invalid, 936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 934 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 13:59:12,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47145 states. [2022-12-14 13:59:13,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47145 to 45522. [2022-12-14 13:59:13,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45522 states, 45341 states have (on average 2.9121986722833637) internal successors, (132042), 45521 states have internal predecessors, (132042), 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 13:59:13,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45522 states to 45522 states and 132042 transitions. [2022-12-14 13:59:13,433 INFO L78 Accepts]: Start accepts. Automaton has 45522 states and 132042 transitions. Word has length 9 [2022-12-14 13:59:13,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:59:13,433 INFO L495 AbstractCegarLoop]: Abstraction has 45522 states and 132042 transitions. [2022-12-14 13:59:13,434 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 13:59:13,434 INFO L276 IsEmpty]: Start isEmpty. Operand 45522 states and 132042 transitions. [2022-12-14 13:59:13,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 13:59:13,434 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:59:13,434 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:59:13,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 13:59:13,435 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 13:59:13,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:59:13,435 INFO L85 PathProgramCache]: Analyzing trace with hash 2001347693, now seen corresponding path program 1 times [2022-12-14 13:59:13,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:59:13,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083971120] [2022-12-14 13:59:13,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:59:13,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:59:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:59:13,654 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 13:59:13,654 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:59:13,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083971120] [2022-12-14 13:59:13,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083971120] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:59:13,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:59:13,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 13:59:13,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335011870] [2022-12-14 13:59:13,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:59:13,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 13:59:13,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:59:13,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 13:59:13,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 13:59:13,656 INFO L87 Difference]: Start difference. First operand 45522 states and 132042 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:59:14,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:59:14,868 INFO L93 Difference]: Finished difference Result 47778 states and 138618 transitions. [2022-12-14 13:59:14,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 13:59:14,870 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-12-14 13:59:14,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:59:15,008 INFO L225 Difference]: With dead ends: 47778 [2022-12-14 13:59:15,008 INFO L226 Difference]: Without dead ends: 47778 [2022-12-14 13:59:15,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 13:59:15,009 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 88 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 13:59:15,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 105 Invalid, 735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 735 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 13:59:15,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47778 states. [2022-12-14 13:59:15,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47778 to 47778. [2022-12-14 13:59:15,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47778 states, 47597 states have (on average 2.9123264071264994) internal successors, (138618), 47777 states have internal predecessors, (138618), 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 13:59:16,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47778 states to 47778 states and 138618 transitions. [2022-12-14 13:59:16,055 INFO L78 Accepts]: Start accepts. Automaton has 47778 states and 138618 transitions. Word has length 10 [2022-12-14 13:59:16,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:59:16,055 INFO L495 AbstractCegarLoop]: Abstraction has 47778 states and 138618 transitions. [2022-12-14 13:59:16,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 13:59:16,056 INFO L276 IsEmpty]: Start isEmpty. Operand 47778 states and 138618 transitions. [2022-12-14 13:59:16,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 13:59:16,057 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:59:16,057 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:59:16,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 13:59:16,057 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 13:59:16,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:59:16,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1947612715, now seen corresponding path program 1 times [2022-12-14 13:59:16,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:59:16,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628718985] [2022-12-14 13:59:16,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:59:16,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:59:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:59:16,435 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 13:59:16,435 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:59:16,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628718985] [2022-12-14 13:59:16,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628718985] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:59:16,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:59:16,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 13:59:16,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100568265] [2022-12-14 13:59:16,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:59:16,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 13:59:16,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:59:16,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 13:59:16,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 13:59:16,437 INFO L87 Difference]: Start difference. First operand 47778 states and 138618 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 13:59:17,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:59:17,824 INFO L93 Difference]: Finished difference Result 55895 states and 162472 transitions. [2022-12-14 13:59:17,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 13:59:17,825 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 13:59:17,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:59:18,105 INFO L225 Difference]: With dead ends: 55895 [2022-12-14 13:59:18,105 INFO L226 Difference]: Without dead ends: 55895 [2022-12-14 13:59:18,105 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 13:59:18,106 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 174 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 1241 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 1243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:59:18,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 102 Invalid, 1243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1241 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 13:59:18,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55895 states. [2022-12-14 13:59:18,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55895 to 53918. [2022-12-14 13:59:18,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53918 states, 53737 states have (on average 2.9151236578149136) internal successors, (156650), 53917 states have internal predecessors, (156650), 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 13:59:19,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53918 states to 53918 states and 156650 transitions. [2022-12-14 13:59:19,213 INFO L78 Accepts]: Start accepts. Automaton has 53918 states and 156650 transitions. Word has length 11 [2022-12-14 13:59:19,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:59:19,214 INFO L495 AbstractCegarLoop]: Abstraction has 53918 states and 156650 transitions. [2022-12-14 13:59:19,214 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 13:59:19,214 INFO L276 IsEmpty]: Start isEmpty. Operand 53918 states and 156650 transitions. [2022-12-14 13:59:19,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 13:59:19,215 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:59:19,215 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:59:19,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 13:59:19,216 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-12-14 13:59:19,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:59:19,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1510496160, now seen corresponding path program 1 times [2022-12-14 13:59:19,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:59:19,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792327188] [2022-12-14 13:59:19,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:59:19,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:59:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 13:59:19,255 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 13:59:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 13:59:19,291 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 13:59:19,291 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 13:59:19,292 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (24 of 25 remaining) [2022-12-14 13:59:19,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (23 of 25 remaining) [2022-12-14 13:59:19,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 25 remaining) [2022-12-14 13:59:19,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (21 of 25 remaining) [2022-12-14 13:59:19,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (20 of 25 remaining) [2022-12-14 13:59:19,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (19 of 25 remaining) [2022-12-14 13:59:19,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (18 of 25 remaining) [2022-12-14 13:59:19,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (17 of 25 remaining) [2022-12-14 13:59:19,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (16 of 25 remaining) [2022-12-14 13:59:19,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (15 of 25 remaining) [2022-12-14 13:59:19,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (14 of 25 remaining) [2022-12-14 13:59:19,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (13 of 25 remaining) [2022-12-14 13:59:19,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (12 of 25 remaining) [2022-12-14 13:59:19,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (11 of 25 remaining) [2022-12-14 13:59:19,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (10 of 25 remaining) [2022-12-14 13:59:19,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 25 remaining) [2022-12-14 13:59:19,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 25 remaining) [2022-12-14 13:59:19,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (7 of 25 remaining) [2022-12-14 13:59:19,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (6 of 25 remaining) [2022-12-14 13:59:19,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (5 of 25 remaining) [2022-12-14 13:59:19,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (4 of 25 remaining) [2022-12-14 13:59:19,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (3 of 25 remaining) [2022-12-14 13:59:19,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (2 of 25 remaining) [2022-12-14 13:59:19,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 25 remaining) [2022-12-14 13:59:19,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (0 of 25 remaining) [2022-12-14 13:59:19,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 13:59:19,299 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:59:19,303 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 13:59:19,303 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 13:59:19,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 01:59:19 BasicIcfg [2022-12-14 13:59:19,325 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 13:59:19,326 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 13:59:19,326 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 13:59:19,326 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 13:59:19,326 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:57:26" (3/4) ... [2022-12-14 13:59:19,329 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 13:59:19,329 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 13:59:19,329 INFO L158 Benchmark]: Toolchain (without parser) took 114668.51ms. Allocated memory was 138.4MB in the beginning and 5.3GB in the end (delta: 5.2GB). Free memory was 95.3MB in the beginning and 4.1GB in the end (delta: -4.0GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-12-14 13:59:19,329 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory was 48.1MB in the beginning and 48.0MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 13:59:19,330 INFO L158 Benchmark]: CACSL2BoogieTranslator took 822.93ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 95.3MB in the beginning and 109.5MB in the end (delta: -14.2MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2022-12-14 13:59:19,330 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.81ms. Allocated memory is still 167.8MB. Free memory was 109.5MB in the beginning and 105.3MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 13:59:19,330 INFO L158 Benchmark]: Boogie Preprocessor took 53.31ms. Allocated memory is still 167.8MB. Free memory was 105.3MB in the beginning and 101.1MB in the end (delta: 4.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 13:59:19,330 INFO L158 Benchmark]: RCFGBuilder took 675.38ms. Allocated memory is still 167.8MB. Free memory was 101.1MB in the beginning and 66.5MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-12-14 13:59:19,330 INFO L158 Benchmark]: TraceAbstraction took 113044.91ms. Allocated memory was 167.8MB in the beginning and 5.3GB in the end (delta: 5.2GB). Free memory was 65.5MB in the beginning and 4.1GB in the end (delta: -4.0GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2022-12-14 13:59:19,331 INFO L158 Benchmark]: Witness Printer took 2.86ms. Allocated memory is still 5.3GB. Free memory is still 4.1GB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 13:59:19,332 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory was 48.1MB in the beginning and 48.0MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 822.93ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 95.3MB in the beginning and 109.5MB in the end (delta: -14.2MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.81ms. Allocated memory is still 167.8MB. Free memory was 109.5MB in the beginning and 105.3MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.31ms. Allocated memory is still 167.8MB. Free memory was 105.3MB in the beginning and 101.1MB in the end (delta: 4.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 675.38ms. Allocated memory is still 167.8MB. Free memory was 101.1MB in the beginning and 66.5MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 113044.91ms. Allocated memory was 167.8MB in the beginning and 5.3GB in the end (delta: 5.2GB). Free memory was 65.5MB in the beginning and 4.1GB in the end (delta: -4.0GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 2.86ms. Allocated memory is still 5.3GB. Free memory is still 4.1GB. 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: 97.3s, 329 PlacesBefore, 136 PlacesAfterwards, 331 TransitionsBefore, 136 TransitionsAfterwards, 23112 CoEnabledTransitionPairs, 23 FixpointIterations, 127 TrivialSequentialCompositions, 132 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 40 ConcurrentYvCompositions, 2 ChoiceCompositions, 306 TotalNumberOfCompositions, 369505 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 30527, independent: 25257, independent conditional: 0, independent unconditional: 25257, dependent: 4943, dependent conditional: 0, dependent unconditional: 4943, unknown: 327, unknown conditional: 0, unknown unconditional: 327] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12645, independent: 12303, independent conditional: 0, independent unconditional: 12303, dependent: 325, dependent conditional: 0, dependent unconditional: 325, unknown: 17, unknown conditional: 0, unknown unconditional: 17] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12645, independent: 10917, independent conditional: 0, independent unconditional: 10917, dependent: 1728, dependent conditional: 0, dependent unconditional: 1728, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1728, independent: 1386, independent conditional: 0, independent unconditional: 1386, dependent: 325, dependent conditional: 0, dependent unconditional: 325, unknown: 17, unknown conditional: 0, unknown unconditional: 17] , SemanticIndependenceRelation.Query Time [ms]: [ total: 38248, independent: 433, independent conditional: 0, independent unconditional: 433, dependent: 1268, dependent conditional: 0, dependent unconditional: 1268, unknown: 36547, unknown conditional: 0, unknown unconditional: 36547] ], Cache Queries: [ total: 30527, independent: 12954, independent conditional: 0, independent unconditional: 12954, dependent: 4618, dependent conditional: 0, dependent unconditional: 4618, unknown: 12955, unknown conditional: 0, unknown unconditional: 12955] , Statistics on independence cache: Total cache size (in pairs): 923, Positive cache size: 728, Positive conditional cache size: 0, Positive unconditional cache size: 728, Negative cache size: 195, Negative conditional cache size: 0, Negative unconditional cache size: 195, Unknown cache size: 12, Unknown conditional cache size: 0, Unknown unconditional cache size: 12 - 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: 1711]: Data race detected Data race detected The following path leads to a data race: [L1694] 0 pthread_t t1,t2; [L1748] CALL, EXPR 0 my_drv_init() [L1742] 0 return 0; [L1748] RET, EXPR 0 my_drv_init() [L1748] 0 int ret = my_drv_init(); [L1749] COND TRUE 0 ret==0 [L1750] 0 int probe_ret; [L1751] 0 struct my_data data; [L1752] CALL 0 my_drv_probe(&data) [L1717] 0 struct device *d = &data->dev; [L1719] 0 data->shared.a = 0 [L1720] 0 data->shared.b = 0 [L1721] 0 int res = __VERIFIER_nondet_int(); [L1722] COND FALSE 0 !(\read(res)) [L1724] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={5:24}, d={5:24}, data={5:0}, data={5:0}, pthread_create(&t1, ((void *)0), my_callback, (void *)d)=-1, res=0, t1={3:0}, t2={4:0}] [L1707] 1 struct device *dev = (struct device*)arg; [L1708] 1 struct my_data *data; [L1709] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1709] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1711] 1 data->shared.a = 1 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data->shared.a = 1=1164, dev={5:24}, t1={3:0}, t2={4:0}] [L1725] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, data={5:0}, data->shared.a = 1=1164, dev={5:24}, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=0, res=0, t1={3:0}, t2={4:0}] [L1726] 0 data->shared.a = 3 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, data={5:0}, data->shared.a = 1=1164, data->shared.a = 3=1165, dev={5:24}, res=0, t1={3:0}, t2={4:0}] [L1711] 1 data->shared.a = 1 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data->shared.a = 1=1164, 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.a = 3 [1726] * C: data->shared.a = 0 [1719] * C: data->shared.a = 0 [1719] * C: data->shared.b = 0 [1720] * C: data->shared.a = 0 [1719] * C: data->shared.b = 0 [1720] * C: data->shared.b = 0 [1720] * C: data->shared.a = 0 [1719] * C: data->shared.b = 0 [1720] and C: data->shared.a = 1 [1711] - 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: 1720]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1759]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1737]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1726]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1760]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1727]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1738]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1761]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1728]: 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: 1762]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1729]: 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: 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: 1712]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1712]: 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, 362 locations, 25 error locations. Started 1 CEGAR loops. OverallTime: 112.9s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 98.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 586 SdHoareTripleChecker+Valid, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 586 mSDsluCounter, 707 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 139 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4007 IncrementalHoareTripleChecker+Invalid, 4013 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 568 mSDtfsCounter, 4007 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53918occurred in iteration=6, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 3623 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 398 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 13:59:19,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51698db-d4bd-4c5d-98b6-8e67fa93c525/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